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Correlation Error - Part 1

Pairing: Max Verstappen x Charlotte Fischer (Original Character)

Summary: Charlotte Fischer has spent years making sure no one in Formula One knows who she really is.

At Red Bull, she is simply Charlotte: Cambridge graduate, simulator engineer, owner of a deeply judgmental cat, and the woman responsible for making the team’s broken 2025 car model finally tell the truth.

She prefers it that way. No family name. No questions. No one looking at her like she is someone’s daughter, someone’s mistake, or someone’s failure to protect.

Max Verstappen notices her anyway.

Warnings and Notes: I wrote fanfiction of my own fanfiction. This is the result.

As always big thanks to @llirawolf , who listens to me ramble.

Charlotte Fischer had been at Red Bull since the week after she graduated.

She’d sent in her CV like anyone else. Interviewed in a windowless room with bad coffee and too many questions. Signed her contract quietly and moved her life to Milton Keynes with the vague sense that she’d chosen something irreversible.

Sometimes — usually when she was three coffees deep and the sim refused to behave — it amused her, in a dry, private way, that she’d ended up here of all places.

Red Bull Racing.

The irony wasn’t lost on her.

No one here knew who she was related to.

No one softened their tone around her. No one watched her for signs of brilliance or disappointment. No one projected legacy onto her shoulders.

She wasn’t anyone’s daughter.

She could just be Charlotte.

Just another engineer with too many tabs open and a stubborn relationship with data.

Charlotte liked it that way.

The simulator lived deep inside the building, far from daylight and distraction.

Charlotte liked to joke — only to herself — that you could lose entire days down there and no one would notice.

She’d learned the rhythms of the place: the hum of machines, the faint smell of warmed electronics, the way the air never quite changed. It was insulated from the outside world, from weather and seasons and expectations.

The sim didn’t care who her father was. It didn’t care who her mother had been.

It didn’t care that she’d once lain in a hospital bed counting ceiling tiles and wondering if this would be the last room she would ever see.

The sim only cared whether the model was wrong.

If the numbers were wrong, it told her.

If the assumptions were flawed, it punished her.

If she fixed it, it responded honestly.

There was no pity in it.

Only cause and effect.

She spent most of her time down there — long hours, irregular meals, headphones on, mind locked into the language of physics and probability. People sometimes forgot she existed until something broke or improved unexpectedly.

She didn’t mind.

Being invisible had its advantages.

There were days — quieter ones, harder ones — when she recognised the truth without flinching:

When it wasn’t Tilly the cat keeping her alive, it had been this.

The focus. The problems.

The sense that something complex could be understood if she stayed with it long enough.

She had survived because she’d had reasons to keep thinking forward.

Sometimes, late at night, she’d sit alone in the sim control room, lights low, replaying runs not because she needed to — but because the repetition was grounding.

The steady hum reminded her that she was still here, that time was still moving.

She didn’t think about her father much while she worked.

That part of her life felt distant, sealed off behind professional neutrality and old decisions. Here, she was judged on output, not origin.

Here, she was competent.

Here, she mattered.

Charlotte adjusted a parameter, watched the model settle, and made a note to herself for the next session.

Just Charlotte.

And that was more than enough.

***

The car was lying to him.

Max had known it for weeks, in that low, irritating way that lived between shoulder blades and instincts — the way a thing felt wrong even when the numbers insisted otherwise.

The simulator said one thing. The track said another.

And every time he brought it up, it got smoothed over with words like correlation and tolerance and development window.

None of which helped when the rear snapped like it hated him personally.

So when GP told him there was someone in the sim department who wanted ten minutes of his time, Max expected another polite meeting.

Another explanation.

Another we’re working on it.

He did not expect her.

She was standing half-turned toward the screen when he walked in, arms crossed loosely, posture straight but not stiff.

Tall. Longer legs than most people in the room.

Short dark hair that brushed her jaw, slightly mussed like she’d run a hand through it too many times.

Dark eyes — sharp, focused— flicked to him, assessed him, and then went straight back to the data.

No awe. No hesitation.

Interesting.

“Max, this is Charlotte Fischer.” GP said. “Sim engineer. Charlotte, Max.”

Charlotte Fischer nodded once. No smile. No fuss.

“Hi, nice to meet you.”

Her voice was calm. Neutral in a way that suggested it had been trained that way.

Max nodded back, suddenly very aware of the fact that he was still in his race suit and probably smelled faintly like heat and frustration.

“So,” he said, because silence felt loaded already. “You found something.”

“Yes,” she said immediately, uncrossing her arms and stepping closer to the screen. “The sim wasn’t wrong because of bad inputs. It was wrong because it was assuming the car behaved honestly.”

Max blinked.

“…Okay.”

She glanced at him then, just briefly, and there was something dry in her expression. Not amused. Not impressed. Just… certain.

“The aero load model is overcorrecting for yaw instability,” she continued. “Which means the sim compensates in ways the real car can’t. It’s smoothing behavior that doesn’t exist. So when you drive it, you subconsciously trust a balance you’ll never actually have on track.”

GP inhaled slowly, like someone bracing.

Max stepped closer, eyes narrowing at the replay she pulled up.

“That’s why it snaps,” he said quietly. “Mid-corner. Feels fine until it doesn’t.”

Charlotte nodded. “Yes.”

Not maybe. Not we think. Yes.

She pulled up a comparison run — sim versus real telemetry — and the discrepancy was suddenly obvious, glaring in hindsight. The sim was lying, and it had been doing it for months.

“I adjusted the assumptions,” she said. “Removed the artificial stabilisation. It’s… less pleasant to drive now.”

Max snorted.

“Good.”

That earned him a real look. One eyebrow lifted slightly. “I thought you might say that.”

He liked her already.

They ran the updated sim together.

The car was ugly, nervous, difficult — and suddenly, it made sense. The feedback matched his hands. The fear points lined up with reality.

When Max climbed out, adrenaline buzzing in his veins, he realised something else had changed.

He was smiling. “That’s it,” he said, turning toward her. “That’s the car.”

Charlotte inclined her head, like she’d expected nothing else.

“You’ll still hate it,” she said. “Just for the correct reasons now.”

He laughed before he could stop himself.

GP cleared his throat, looking between them with interest. “Good work,” he said to Charlotte.

She nodded again, already gathering her tablet, mentally moving on.

Max watched her for half a second too long.

Pretty was the wrong word. She wasn’t decorative. She was… arresting.

Tall, composed, dark hair sharp against pale skin, dark eyes that didn’t seek approval. Someone who fixed things quietly and didn’t need applause for it.

And something else — something he couldn’t quite name — tugged at him.

Familiarity, maybe. Or recognition.

As she turned to leave, Max found himself speaking without planning it. “You’ll be around for the next sessions?”

Charlotte paused, glanced back at him. “Yes.”

Just that.

Then she walked out, steps measured, already gone from the moment.

Max stood there, helmet under his arm, heart doing something annoying and unexpected.

GP watched him, unimpressed. “…Don’t,” he said flatly.

Max didn’t even look away from the door. “I haven’t done anything.”

GP huffed. “You’re thinking too loudly.”

Max smiled to himself, slow and crooked. Yeah. He definitely was.

***

Lunch was a brief ceasefire between debriefs and damage limitation.

They were halfway through eating when Charlotte appeared at the edge of the table, tablet tucked under her arm, tote bag slung over one shoulder.

She paused, polite. “Sorry to interrupt.”

Max looked up immediately. Tried not to look like he had.

Hannah smiled. “You’re not interrupting.”

Charlotte reached into her bag and pulled out something… knitted. Crocheted, actually. Thick yarn, carefully shaped.

It was a tiny hat.

A ridiculous, adorable, painstakingly made tiny hat.

“This is for Nimbus,” Charlotte said, handing it to Hannah. “Your daughters asked if the ears could be… exaggerated.”

Hannah gasped softly. “Oh my god. They’re going to lose their minds.”

Max stared at the hat.

Then at Charlotte.

Then back at the hat.

“…Is that,” he said slowly, “a cat-sized hat?”

“Yes.”

No hesitation. No embarrassment.

GP choked on his drink.

Hannah turned the little thing over in her hands, inspecting the stitches. “You’re a miracle worker. Thank you.”

“You’re welcome.” Charlotte hesitated, then added, “If Nimbus hates it, tell them it’s my fault.”

“He won’t,” Hannah said confidently. “He tolerates nonsense remarkably well.”

Charlotte nodded once, satisfied, and glanced briefly at Max — just a flicker — before stepping back.

“Enjoy lunch,” she said.

Then she was gone again, leaving behind a crochet hat and a table full of stunned engineers.

There was a beat of silence.

Max broke it immediately.

“I need to see pictures,” he said, pointing at the hat. “Immediately. When your cat wears that.”

Hannah laughed. “Of course you do.”

“I’m serious,” Max said. “This is important.”

GP sighed into his coffee. “Please explain to me how this is now important.”

Max ignored him, eyes still on the hat.

Hannah smiled knowingly. “Charlotte has an Instagram.”

Max’s head snapped up. “She does?”

“Yes,” Hannah said casually. “She only posts her cat. Modeling the hats.”

Max froze. “…Only that?”

“Yes.”

“How many hats are we talking about?”

Hannah shrugged. “Seasonal. Themes. There was a little witch one at Halloween.”

Max was already pulling out his phone.

“What’s the handle?”

Hannah told him.

Max followed the account without a second’s hesitation.

The feed loaded.

Cat. Hat. Another hat. A different angle of the same cat. A caption that was aggressively understated.

Max stared.

Then smiled.

Then liked three photos in a row before realising he probably shouldn’t like all of them.

GP watched him with the weary expression of a man who had seen this before and knew how it ended.

“You are,” GP said, “deeply predictable.”

Max didn’t look up.

“She crochets hats,” he said faintly. “For cats.”

“Yes,” Hannah said. “And?”

“And she fixes our sim,” Max added. “And she’s tall.”

Hannah snorted.

GP stood, collecting his tray. “I’m leaving before this gets worse.”

Max finally glanced up, phone still in his hand, eyes bright.

“It’s already worse,” he said cheerfully.

And he liked another photo anyway.

Max was still scrolling when GP came back with his coffee.

Another cat. Another hat.

Max liked it.

Hannah watched him do it.

She didn’t say anything at first. Just leaned back in her chair, arms crossed, eyes flicking between Max, the phone, and GP with the quiet confidence of someone about to ruin a man’s day.

“Ah,” she said eventually. “There it is.”

Max frowned. “What.”

GP glanced over. Took in the scene in half a second. “Oh,” GP said flatly. “No.”

Max finally looked up. “What do you mean no.”

“You have a crush,” Hannah said, far too cheerfully.

Max scoffed. “I do not.”

GP sat down slowly, the way one does when bracing for disappointment.

“You followed an engineer’s cat Instagram within thirty seconds,” GP said. “And you’re smiling at your phone.”

“It’s a cat,” Max argued. “In a hat!”

Hannah raised an eyebrow. “You don’t follow my cat.”

“That’s because your cat doesn’t wear costumes,” Max shot back.

GP pinched the bridge of his nose.

“This,” he said, gesturing vaguely at Max, “is exactly how it starts.”

Max rolled his eyes. “You’re both being dramatic.”

Hannah leaned forward. “Max. You asked me to send you photos of Nimbus wearing the hat. You said it was ‘important.’”

“It is important.”

GP stared at him. “Why.”

Max opened his mouth.

Closed it.

Opened it again.

“Well,” he said, stalling, “because—”

Hannah smiled sweetly. “Because you like her.”

“I like that she fixed the sim,” Max said quickly.

“And crocheted a hat for my cat,” Hannah added.

“And has an Instagram for it,” GP said.

“And you followed it immediately,” Hannah finished.

They both looked at him.

Max exhaled through his nose, defeated.

“…Fine,” he muttered. “Maybe a little.”

Hannah clapped once. “Oh god. You have a crush.”

GP groaned. “We are not doing this in the middle of a season from hell.”

Max looked back at his phone. The orange cat stared out from the screen, tiny hat slightly askew.

“She’s just… interesting,” he said, quieter now. “And she’s good. At her job.”

GP gave him a long look. “So were many people before who you did not stalk via crochet content.”

Max shrugged.

Hannah laughed outright. “This is adorable. I give it three weeks before you ask her about yarn.”

“I am not asking her about yarn,” Max protested.

GP didn’t even look convinced.

Max liked another photo.

Just one more.

For science.

***

Meanwhile on Twitter:

@/gridwatcher: 🚨 extremely important max verstappen following update 🚨 he just followed… a cat account???

@/tyredegpls: a WHAT account

@/gridwatcher: no because look it’s just a cat wearing crocheted hats

@/papayapanic: pls tell me you’re joking

@/gridwatcher: I WISH I WAS handle is literally tillyshats

@/softsector: hold on scrolling oh my god WHY IS IT SO CUTE

@/dutchdelight33: max: fighting a cursed car every weekend also max: yes. tiny hat.

@/downforcegirlie: this is the most unhinged thing he’s done all season and that is SAYING something

@/gridwatcher: the captions are killing me “she hated this.” bestie SAME

@/tyredegpls: do we think max knows the person irl or is this just him discovering joy again

@/softsector: either way i support his healing journey through crochet cat hats

@/downforcegirlie: he’s gonna like every post isn’t he

@/softsector: he already liked three in a row. source: me, refreshing.

@/gridwatcher: someone please tell him twitter has eyes

@/papayapanic: no don’t this is the only joy we have this season

@/gridwatcher: max verstappen following a cat crochet account is the most emotionally stable thing he’s done in months and honestly? relatable.

@/papayaemergency: the captions are like “she did not consent” “winter collection complete” I’m crying

@/F1Detective: give us 24 hours

@/F1Detective (later): ok so: – account has existed for years – never posted anything F1 related – follows exactly 12 people – max followed it today this is either chaos or romance

@/OrangeSector33: max verstappen silently liking crochet cat content during a catastrophic season is my new coping mechanism

@/MaxAppreciation: I just know GP saw this and sighed

@/SlowPitStop: this is how it starts first the cat then the yarn then suddenly he’s knitting in the garage

@/RedBullChaos: max hasn’t liked anything else today just the cat priorities king 👑

@/DutchF1Watcher: I don’t care who runs the account I just want them to know they made the fandom happy today 🧶🐱

´***

Slack Channel: #general-racing-not-business-definitely-not-gossip

Members: far too many Red Bull Racing employees

Aero_Matt: why is max in the sim wing again

Sim_Ruby: because he is a dedicated professional athlete committed to improving performance

Aero_Matt: ruby

Sim_Ruby: because charlotte is here

Strategy_Leah: ah

Composite_Tom: there it is

Garage_Pete: wait are we allowed to say that now

Strategy_Hannah: No.

Garage_Pete: so yes

Strategy_Hannah: Also no.

Sim_Ruby: Max asked whether the updated low-speed model was ready

Aero_Matt: is it

Sim_Ruby: it was ready yesterday

Aero_Matt: and did he know that

Sim_Ruby: yes

Aero_Matt: Beautiful

Powertrains_Nina: I saw him walk past the sim wing three times this morning

Garage_Pete: maybe he was lost

Powertrains_Nina: max verstappen has been in this building since he was seventeen

Garage_Pete: emotionally lost

Composite_Tom: that checks out

PR_Sophie: Can someone confirm whether Max has actually followed the cat account or is this another rumour?

Strategy_Leah: confirmed

PR_Sophie: oh my god

Aero_Matt: what cat account

Sim_Ruby: Charlotte’s cat. Tilly. The crochet hats.

Aero_Matt: the WHAT

Garage_Pete: welcome to the lore

Powertrains_Nina: Tilly has worn, to my knowledge:

pumpkin hat

dinosaur hat

mushroom hat

flower hat

PR_Sophie: and max followed within approximately thirty seconds of learning it existed

Aero_Matt: that is not a crush that is a telemetry trace

Engineering_GP: All of you have work to do.

Aero_Matt: so do you

Engineering_GP: Correct. Mine is apparently preventing a world champion from flirting like a concussed golden retriever.

Sim_Ruby: GP

Garage_Pete: A CONCUSSED GOLDEN RETRIEVER

Powertrains_Nina: accurate though

Strategy_Hannah: Unfortunately.

PR_Sophie: For legal purposes, no one is to discuss this outside internal channels.

Aero_Matt: we have legal purposes now?

PR_Sophie: Max liking five consecutive photos of a cat wearing hats is market-sensitive information.

Strategy_Leah: true

Composite_Tom: the FIA should investigate

Garage_Pete: penalty for excessive adorableness

Sim_Ruby: UPDATE: Charlotte just told Max the simulator was “less wrong than yesterday” and he smiled like she handed him a trophy

Aero_Matt: oh he is GONE gone

Powertrains_Nina: did she mean it as praise?

Sim_Ruby: for Charlotte? yes

Strategy_Hannah: That is basically a sonnet from her.

Engineering_GP: Do not encourage him.

Strategy_Hannah: I am not encouraging him. I am observing.

Engineering_GP: You gave him her cat Instagram.

Strategy_Hannah: That was cultural enrichment!

Garage_Pete: max just asked whether charlotte was having lunch

Aero_Matt: normal

Garage_Pete: then immediately said “not like that”

Strategy_Leah: less normal

Garage_Pete: then left without eating

Composite_Tom: catastrophic

Powertrains_Nina: has anyone told charlotte

Sim_Ruby: told charlotte what

Powertrains_Nina: that the entire building thinks max has a crush on her

Sim_Ruby: she knows

Aero_Matt: SHE KNOWS?

Sim_Ruby: she has eyes

Strategy_Hannah: And a Cambridge degree.

Garage_Pete: so what is she doing about it

Sim_Ruby: mostly pretending not to know

Strategy_Leah: valid

Composite_Tom: romance, but make it deeply repressed and data-driven

Sim_Ruby: MAX JUST BROUGHT CHARLOTTE A COFFEE

Aero_Matt: did she accept it

Sim_Ruby: yes

Composite_Tom: oh my god

Garage_Pete: wedding when

Strategy_Hannah: Do not be weird.

Garage_Pete: sorry

Powertrains_Nina: what kind of coffee

Sim_Ruby: black. no sugar. exactly how she drinks it.

Strategy_Leah: oh

Aero_Matt: OH

Composite_Tom: he knows her coffee order

Garage_Pete: we are so back

***

Charlotte arrived early enough that the building had not fully woken yet.

The corridor lights were still dimmed to half-strength, the air cool and quiet in the way she liked best, before the factory filled with voices and footsteps and the restless machinery of a race weekend being prepared in a thousand invisible ways.

She had a coffee in one hand, her tablet tucked beneath her arm, and half her mind already turning over the work she had left unfinished the night before.

There was still a discrepancy in the latest sim run that annoyed her.

Not enough to be alarming.

Enough to be personal.

She slowed when she reached the entrance to the sim wing.

Voices drifted from the coffee machine.

Two engineers stood near the counter, jackets still on, mugs in hand, bodies loose with the kind of ease people only had before the day had properly claimed them. They were talking the way people talked when work had not yet narrowed them down to data and deadlines.

“My mum keeps asking if I’m coming home for Easter,” one of them said, amused. “As if I can just teleport.”

The other laughed. “Mine’s already planning Christmas. It’s March.”

“Better than my dad,” the first replied. “He sends spreadsheets. Travel options. Budget comparisons. Last year there were colour-coded tabs.”

Charlotte stopped just out of sight.

Family talk had a way of slipping under her skin before she had time to brace for it. It was always the harmless conversations that did the most damage.

The little complaints. The fond exasperation. The casual certainty that someone was waiting somewhere, planning too much, caring clumsily but consistently.

She waited until the moment passed, then stepped forward.

The engineers glanced over, nodded in greeting, and moved aside to let her reach the coffee machine. Their conversation faded naturally as work reasserted itself.

Normal.

Unremarkable.

Charlotte returned the nod, polite and distant, then continued down the corridor with her coffee warming her hand.

She did not think about her family often.

Not actively.

It was not something she pushed away so much as something that had ceased to belong to her daily life. Like a room in a house she had stopped entering until, eventually, she no longer remembered the exact placement of the furniture.

She had a mother once.

That part was easy to remember.

Warmth. Beauty that had nothing to do with mirrors. A laugh that lived in the body more than the mouth. Hands that tucked hair behind Charlotte’s ear with absentminded tenderness. A voice that spoke to her as if she were already someone worth listening to.

Then she had a father.

Had.

The word still landed strangely.

She had not spoken to him in nearly four years now. Not properly. Not since the last argument — if it could even be called that. Arguments implied heat on both sides. Noise. Back-and-forth. Something alive enough to resist.

What they had…that was a rupture.

A single moment where everything unspoken finally surfaced, where Charlotte stopped absorbing it quietly and said, in every way she knew how, this hurts.

And he had answered with calm-downs.

With compromises.

With that familiar, polished instinct to keep the peace, as if peace had ever been neutral. As if it had not always been purchased with her silence.

She had walked out that night without slamming the door.

She had never gone back.

Cutting contact had not been dramatic.

It had been administrative.

She changed her number. Updated emergency contacts. Removed his name from forms and replaced it with her own. Changed what needed changing, signed what needed signing, and built a life that no longer required anyone else’s permission to continue.

It had not felt like loss.

That had surprised her, at first.

It had felt like relief.

She reached the simulator control room and set her things down. The machines hummed around her, steady and familiar, wrapping the room in a sound she understood better than most people’s voices.

This, she could trust.

Data did not ask where you were from.

It did not ask who raised you.

It did not assume connection where there was none.

She powered up her workstation, eyes scanning the screen as systems came online. The familiar glow caught against her coffee cup, her notes, the edge of her hand.

Families, she thought, were something you either got lucky with or learned to live without.

She had learned. And she had survived.

Still, sometimes, she could not help thinking about it.

It happened more often than she liked to admit.

Not deliberately. Not masochistically.

Just… in passing.

A screen left on in the background. A photograph in a paddock recap. A video clip that autoplayed before she could stop it.

Her father laughing with Jack on his shoulders.

Her father leaning down to listen to Rosa, one hand warm and familiar at her back.

Her father with Benedict, proud and attentive and present in a way that looked effortless from the outside.

A father.

Charlotte never sought those moments out, but they found her anyway, slipping into her periphery like static she could never quite tune out.

Every time, she wondered the same thing.

How can you do it for them?

How could he know how to kneel to a child’s height, how to listen, how to protect, how to make himself soft enough to be trusted — and still never have managed it for her?

She did not think it with anger anymore.

That part had burned out years ago.

What remained was quieter. Sharper.

Confusion, edged with grief.

She had been there first.

The thought arrived uninvited every time. Not as an accusation. Not even as a plea.

Just as fact.

She had been there first.

Stephanie’s face surfaced next, as it often did when Charlotte let herself follow the thread.

Stephanie, cool and immaculate. Stephanie, whose displeasure had never needed to become a raised voice to be felt. Stephanie, who had looked at Charlotte as if she were a problem that should have resolved itself through gratitude and silence.

Charlotte had spent years trying to be smaller around her.

Quieter.

Easier.

Less inconveniently alive.

It had never worked.

Nothing would have worked.

That had been one of the cruellest things to learn. That sometimes there was no correct version of yourself that would make someone love you. Sometimes the offence was not your behaviour, or your tone, or your awkwardness, or your grief.

Sometimes the offence was simply that you existed.

Susie belonged in a different category altogether.

Susie had never been cruel.

That mattered.

It also had not been enough.

Charlotte had learned early that kindness without intervention still left bruises. That sympathy did not stop harm if it stayed quiet. That a soft look across a dinner table was not the same thing as someone saying, enough.

She did not resent Susie.

Not exactly.

She simply had not trusted her.

And that, too, had felt inevitable.

Her mother was the only one untouched by complication.

Charlotte missed her with a dull, persistent ache that had nothing to do with time. No amount of years had softened it. No amount of success had replaced the absence. It lived in her quietly, beneath the skin, like an old injury that ached before rain.

She missed the way her mother had spoken to her like Charlotte’s thoughts mattered.

The way she had touched her hair when she was thinking.

The way she had laughed — full-bodied, unselfconscious, generous — as if joy was not something to ration.

She missed the safety of her.

The certainty.

Sometimes Charlotte tried to imagine what her life would have been if her mother had lived.

She suspected the answer was: simpler.

Not easier.

Just less lonely.

She rarely allowed herself to dwell on the question that haunted her most.

If she were still alive, would any of this have happened?

Charlotte knew the answer.

No.

Because her mother would never have let anyone make her feel optional.

She sat down at her desk, set her coffee beside the keyboard, and pulled up the latest sim data.

The discrepancy was still there, waiting for her.

Good.

That, at least, was something she knew how to fix.

***

Max hadn’t meant to listen.

That was the thing.

He was not sneaking around the sim wing like some sort of stalker who lingered near doorways because Charlotte Fischer happened to be on the other side of them.

He was simply walking.

And then he heard her laugh.

Not the small, contained sound she sometimes made when someone said something mildly funny and she decided, apparently by committee, that it deserved acknowledgement.

This was different.

Quick. Unpolished. Surprised out of her.

Max slowed before he could stop himself.

The office door was half-open. Voices drifted out into the corridor — easy, bright, the kind of conversation people had when the day had not fully sharpened around them yet.

Charlotte’s voice cut through the others.

Distinct.

Calm.

Impeccably British in that way that made Max think of expensive schools and people who used forks correctly even when angry.

“You know,” one of her colleagues said, audibly grinning, “every time you say can’t, I expect you to start announcing tea.”

Charlotte made an offended sound. “That’s not even fair.”

“It is,” another voice chimed in. “You sound like you went to the kind of school that has its own crest.”

“I did,” Charlotte said dryly.

Max stopped walking.

He pulled out his phone, because apparently he was now that person and if anyone asked, he could pretend he had received a message.

“Called it,” the first colleague said triumphantly. “I knew it. Boarding school.”

“Very pricey boarding school,” Charlotte corrected. “With uniforms that cost more than my rent.”

Someone laughed. “You’re joking.”

“I wish I were. There was a blazer. It had piping.”

“Oh, posh-posh.”

“Traumatised-posh,” Charlotte corrected. “There is a difference.”

Max’s mouth twitched despite himself.

He could picture it too easily.

Charlotte in some severe school uniform, dark hair shorter even then maybe, dark eyes already watchful, standing too straight because someone somewhere had taught her posture could be armour.

Charlotte learning early how to sound composed. How to make every sentence smooth enough that no one could grab hold of it.

He filed it away.

Boarding school.

Expensive.

Old money, maybe.

Or at least money somewhere.

That part did not quite fit with the rest of her, though. Not with the way she never talked like someone expecting anything to be handed to her. Not with the way she moved through Red Bull like she had carved out every inch of space herself.

Then one of her colleagues said, “Okay, but wait — you’re not even British, are you?”

There was a pause.

Small. Almost nothing.

Max noticed anyway.

“No,” Charlotte said. “I was born in Austria.”

That stopped him properly.

Austria.

The word clicked into place somewhere in the back of his mind, sharp and unexpected.

“In Austria?” the colleague echoed. “Then why do you sound like you were raised by the BBC?”

Charlotte huffed softly. “Because I moved young and learned quickly that sounding neutral was useful.”

The colleague laughed. “Neutral? Charlotte, you sound like you should be disappointed in my table manners.”

“I often am.”

More laughter.

Max did not laugh this time.

Sounding neutral was useful.

He turned the words over once.

Twice.

He had learned, in the few weeks since Charlotte had appeared properly in his orbit, that she rarely wasted words. She could make a joke, yes. She could be dry enough to make GP look up from his coffee. But she did not say things by accident.

Useful.

Not natural.

Not inherited.

Useful.

He stored that away too.

Austrian.

Moved young.

Accent chosen. Or trained. Or both.

He should have kept walking.

He really should have.

Instead, he stood there in the corridor with his phone in his hand, pretending to scroll through nothing, collecting pieces of Charlotte Fischer like small, mismatched parts of a car he did not yet understand.

Cat Instagram.

That had been the first piece, really.

The account with the orange cat in crocheted hats.

Tilly’s hats. sixty-seven posts. No selfies. No friends. No food pictures. No glamorous life tucked between work and travel.

Just a cat staring into the camera with offended dignity while wearing whatever newest crocheted creation her owner had made.

Max had followed the account within thirty seconds of finding it.

Hannah and GP had mocked him for that.

Fairly, maybe.

He had liked only three photos at first, because he had enough self-control not to like all of them immediately. Then he had gone back later and liked two more, because the cat had been wearing a tiny mushroom hat and he was not made of stone.

That had told him something about Charlotte too.

Not the obvious thing — that she liked cats, though that was important and frankly made her more interesting.

But the other thing.

That she made things with her hands.

Tiny, impractical, ridiculous things.

For a cat.

The same woman who spoke in clean, precise lines about sim correlation and flawed modelling assumptions spent her free time crocheting hats for an animal that looked furious about it.

Max liked that more than he knew what to do with.

Now Austria. Boarding school. The accent.

The little pause before she answered.

He put those beside the cat hats in his head.

None of it made a full picture.

All of it made him want to look again.

“So what,” the first colleague said, still teasing, “secret posh childhood?”

Charlotte made a sound Max could not quite read. “Something like that.”

That was not an answer.

Max knew that because he gave those kinds of answers all the time.

The ones that sounded enough like truth that people stopped asking.

“Come on,” the colleague pressed. “Austria, British boarding school, Cambridge, Red Bull. That’s a lot.”

“It looks more coherent on paper than it was in practice,” Charlotte said.

There it was again.

A sentence with a door behind it.

Max stared at his phone without seeing it.

“Did your parents just decide England would build character?” someone asked.

Another pause.

Longer this time.

Then Charlotte said, lightly, “Something like that.”

The same phrase.

Different weight.

Max’s fingers tightened around his phone.

Parents.

So there were parents. Or had been. Rich enough for boarding school. Connected enough for Cambridge. Absent enough, maybe, that Charlotte had learned to make her voice sound like something that could not be questioned.

He did not know.

That was the problem.

He did not know anything, really.

He knew she was tall. That he had noticed immediately.

Tall, short dark hair, dark eyes that looked at data like it had personally offended her. Pretty in a way that did not ask to be looked at and therefore made him want to look more, which was annoying and inconvenient and absolutely GP’s fault somehow.

He knew she was good.

Not normal good. Not useful member of the department good.

Very good.

The kind of good that made people in the sim wing listen when she spoke. The kind of good that had made the car, for the first time in weeks, feel honestly bad instead of dishonestly manageable. The kind of good that mattered, because Max hated being lied to by machines almost as much as he hated being lied to by people.

He knew she was not impressed by him.

That might have been the worst part.

Or the best.

He had not decided.

She did not look at him like most people looked at him. Not fans. Not sponsors. Not women who already knew his reputation before he opened his mouth.

Charlotte looked at him like a data point.

A very fast data point, maybe.

Occasionally useful.

Occasionally irritating.

But not miraculous.

Max should have found that insulting.

Instead, he found himself walking slightly slower past corridors where he knew she worked, checking whether she was in the sim bay before he asked a question he could probably have asked someone else, and thinking about an orange cat in a frog hat more often than was dignified.

“Anyway,” Charlotte said inside the office, her voice shifting back toward professional even as the others still sounded amused. “If we are finished psychoanalysing my vowels, the model is still wrong.”

Someone groaned. “You’re no fun.”

“I am enormous fun,” Charlotte replied. “In controlled conditions.”

Max nearly smiled.

There she was.

The door closed on the conversation a moment later, the voices muffling into work.

Max stood there for half a second longer.

Then he put his phone away and continued toward the sim bay.

By the time he arrived, Charlotte was already there, because of course she was. She sat at her desk with her posture perfect and her eyes on the screen, short dark hair tucked behind one ear, speaking to another engineer in that polished British register that now sounded different to him.

Not fake.

Never fake.

Constructed.

There was a difference.

Max watched her while pretending not to.

Austria, he thought.

Boarding school.

Cambridge.

Cat.

Parents with money, maybe. Or money around her. Or something complicated enough that she had learned to answer around it.

He added each fact to the quiet little folder in his mind labelled Charlotte Fischer.

It was becoming embarrassingly full.

She looked up suddenly, as if she had felt him watching.

Max, who was excellent under pressure and had won world championships, immediately forgot what he had come in for.

Charlotte raised an eyebrow.

“Did you need something?”

“Yes,” Max said.

A pause.

Her eyebrow rose a fraction higher.

He recovered badly.

“The sim,” he said. “I wanted to ask about the updated model.”

That was at least true.

Charlotte turned back to her screen. “Sit down, then.”

Max sat.

Too quickly.

Behind him, GP made a noise that sounded suspiciously like a cough and even more suspiciously like amusement.

Max ignored him.

Charlotte pulled up the model, all focus again, all precision. The polished accent. The steady hands. The brain that saw flaws in systems and fixed them before anyone else had found the right question.

Max listened.

Mostly.

But some part of him stayed in the corridor, holding the pieces he had collected.

He wondered how many versions of herself Charlotte Fischer had built to get here.

And, more dangerously, whether she ever let anyone see the one underneath.

***

The apartment was quiet in the particular way Monaco became quiet at night.

Not silent.

Never silent.

There was always the low hush of the city beyond the glass, the distant drag of tyres over tarmac, the occasional voice rising from the street below and dissolving into the dark. But up here, above most of it, the noise arrived softened. Cushioned. Expensive.

Toto Wolff sat alone at the dining table, laptop open in front of him, the glow of the screen cutting pale lines across the polished stone.

The paperwork was orderly.

Of course it was.

Trust statements. Account summaries. Investment reports. Tax documents. Things that made sense because numbers had the decency to declare what they were. They could be checked, balanced, corrected.

He had reviewed these accounts often enough to know most of them by heart.

Often enough to pretend this part would not still hurt.

He scrolled.

Benedict’s trust was active. University fees. Living expenses. Transfers made with the faint carelessness of someone who had always known the safety net was there.

Rosa’s was the same. Regular withdrawals. Sensible ones, mostly. A larger payment for an apartment deposit. A few indulgences Toto had noticed and chosen not to comment on.

They were using what he had built for them.

That was the point of it, he told himself. That had always been the point.

Then the next file opened. Charlotte Wolff.

Her name sat there in the same clean font as the others, understated and formal, as if it were simply another account to review. As if it did not reach through the screen and close around his throat.

Toto went still.

The balance was untouched.

No withdrawals.

No requests.

No transfers.

No activity beyond interest accrual and the neat, automatic work of money compounding around an absence.

For years.

He stared at the numbers for a long time.

Four years since she had blocked his number.

Four years since his calls had stopped ringing through and gone instead into that cold, immediate silence. Four years since messages had remained delivered but unanswered, until eventually even that stopped because he no longer knew whether she had the same number at all.

Four years since he had told himself the same cowardly thing over and over.

She will call if she needs something.

It had sounded reasonable at the time.

Respectful, even.

A way of giving her space. A way of not forcing himself into a life she had clearly decided to keep without him.

Now, looking at the untouched trust, he saw it for what it had been.

An excuse.

She had never called.

Not for money.

Not for help.

Not because she was frightened.

Not because she was ill.

Not because there was no one else.

She had taken his absence and made it permanent.

Cleanly.

Efficiently.

Like Charlotte did most things.

And the worst part — the part that sat heavy and sickening beneath his ribs — was that he had always known she would be capable of it.

Even as a child, she had been too self-contained.

Too careful.

Too ready to take responsibility for the temperature of a room before any adult had asked why a child was reading it so closely.

He could still see her sometimes, if he let himself.

Small at the edge of a dining table. Hands folded. Back straight. Eyes lowered, then lifted, then lowered again. Watching. Measuring. Learning what not to say.

He remembered the way her shoulders tightened when Stephanie spoke her name.

He remembered the way she grew quieter over the years.

He remembered noticing.

That was the unforgivable thing.

Not ignorance.

Not blindness.

Not some convenient failure of perception.

He had noticed.

He had seen enough to know.

The tension in her jaw. The way she left rooms before she could be dismissed from them. The way she stopped asking for things. The way she learned, year by year, to make needing him unnecessary.

And he had done nothing.

Not because he had not loved her.

That was the excuse he had reached for in darker moments, but even he had never managed to make himself believe it.

He had loved her.

He had simply loved his own peace more.

He had loved the fragile balance of the household more.

He had loved avoiding confrontation more.

He had loved the version of himself who could provide everything measurable and pretend protection was included somewhere in the cost.

Toto pressed his fingers to his eyes.

“I didn’t protect her,” he said.

The words fell into the empty apartment and stayed there.

They did not shock him.

They were too old for that.

Too worn down by repetition.

Too true.

Behind him, the door opened softly.

Toto did not turn around.

He heard Susie come in, the quiet click of keys set down, the pause that followed when she saw him sitting there in the dark with the laptop open and every line of his body pulled tight.

“What’s wrong?” she asked.

It was not really a question.

Susie had always been better than most people at reading the shape of disaster before anyone named it.

Toto kept his eyes on the screen.

“I really fucked up with her,” he said.

The apartment seemed to hold its breath.

Susie did not ask who.

That was its own kind of mercy.

After a moment, she came closer. Her hand settled lightly on the back of his chair, not quite touching him yet.

“Charlotte,” she said.

Toto nodded once.

The name hurt more when Susie said it.

“She hasn’t touched the trust,” he said. “Not once.”

Susie’s gaze moved to the laptop.

Toto heard her inhale.

“Years,” he continued, and his voice sounded strange even to himself. Too flat. Too controlled. “No withdrawals. No calls. No requests. Nothing.”

Susie was quiet.

“I told myself she would call if she needed money,” he said.

The shame of it rose hot in his throat.

“God,” he muttered. “Money.”

Susie’s hand moved from the chair to his shoulder.

“That was never how Charlotte asked for help,” she said gently.

Toto laughed once.

Short.

Humourless.

“She didn’t ask,” he said. “That was the point.”

“I know.”

“No.” He shook his head. “No, I don’t think I did. Not properly.”

He looked back at the screen.

At the pristine account.

At the money he had set aside like proof of fatherhood. As if a trust fund could stand in for all the rooms where he had remained silent. As if Cambridge and doctors and security and a name on paperwork could add up to safety.

“I gave her everything except what she needed,” he said.

Susie said nothing.

There was kindness in her silence, but not absolution. He was grateful for that.

“She was a child,” Toto said, and this time his voice cracked around it. “She was a child, Susie. And I left her alone in that house.”

“You were there,” Susie said softly.

“That’s worse.”

Her hand tightened on his shoulder.

He closed his eyes.

“She looked at me that night,” he said. “Before she left. After I told her to calm down.”

The memory came back with brutal clarity.

Charlotte standing at the table, pale with fury, eyes too bright and too dry. Stephanie offended. Rosa defensive. Benedict silent.

And Charlotte looking at him.

Not waiting for him to fix it anymore.

Just watching him fail one final time.

“I thought I was de-escalating,” he said.

The word tasted obscene.

Susie did not soften it for him.

“You were choosing the room,” she said. “Not her.”

Toto nodded.

The truth of it settled between them like dust.

“I know.”

He had known then too, perhaps. Somewhere beneath the practiced instinct. Beneath the diplomacy, the management, the relentless need to make every conflict survivable by making it smaller.

Charlotte had not needed the conflict made smaller.

She had needed him to make himself larger.

He had not.

Susie drew out the chair beside him and sat.

For a while, neither of them spoke.

The laptop screen dimmed slightly, the numbers fading toward grey.

After a long moment, Susie said, “You could try reaching out again.”

Toto stared at Charlotte’s name.

“I don’t know how.”

“Start with the truth.”

He let out another brittle laugh. “Which part?”

“All of it.”

“That would take years.”

“Then start with one sentence.”

He looked at her then.

Susie’s face was calm, but her eyes were not easy. She was not offering comfort. Not exactly. She was offering something harder.

A way forward that did not pretend forward meant forgiveness.

“She blocked me,” he said. “I don’t even know if anything would reach her.”

“You could write.”

“She might not read it.”

“She might not,” Susie agreed.

“She might hate me.”

Susie held his gaze.

“Toto.”

He looked away first.

Of course.

“I don’t even know what she’s doing,” he admitted. The words came quietly, and somehow that made them worse. “Where she lives. Who she knows. Whether she is happy. Whether she is safe.”

His mouth tightened.

“I don’t know who she is anymore.”

Susie’s expression flickered.

Pain.

Regret.

Something she did not ask him to name.

“She made a life without me,” Toto said.

The laptop went darker again, Charlotte’s untouched account now barely visible on the screen.

He looked at it anyway.

“And I taught her how.”

Susie reached for his hand then.

He let her take it.

For once, there was nothing to fix. No strategy to find. No call to make. No negotiation, no restructuring, no transfer of money large enough to alter the shape of what had happened.

There was only the untouched trust fund.

The daughter who had not needed it.

The father who had mistaken provision for protection until the evidence became impossible to ignore.

And in the expensive quiet of the Monaco apartment, Toto Wolff finally understood that Charlotte had not left because he had given her too little.

She had left because the one thing she had needed from him had never been something he could buy.