Ok so, transatlantic what happens next headcannon (yes this is a pretty long post):
P.S I am trying to be as historically accurate as I can be but I have like no cell reception to google things right now so if you know something I don’t please tell me!! This has been really interesting to research so even if you know something that’s not super relevant to this specifically but is to the topic please feel free to let me know!
Ok, here’s what I think happens after it ends/in the five years before S2 starts (~1940-1945) (there is a shorter recap at the bottom without as many explanations):
Varian goes back to New York (Jersey??) and (eventually) divorces Eileen because he wants to let her be free but they are still close and live together (at least until she finds someone else to marry but that hasn’t happened yet). He stays in touch with everyone every once in a while (holidays and such) and buys a house in NY to house arriving refugees. He and Thomas talk a bit and Varian tells Thomas not to come because he would be of more help in France and because, at that point, in NY they would be in too much danger. He tells Thomas about his divorce though and they kinda make plans ish for after the war.
Thomas stays and keeps helping Albert and Paul and Lisa (etc) with saving as many people as they can, continues to house refugees if they need somewhere to stay at the Villa Air-Bel. The Villa is eventually destroyed/somehow taken over (near the end of the war) so Thomas finds a little house with a few rooms for whoever they can find (refugees are more rare at this point).
Albert keeps helping people but is eventually found and taken to a concentration camp (probably Auschwitz tbh) but survives and is eventually liberated by the allies. Mary Jayne goes home and sends money to “the gang” from Chicago. She and Albert stay in touch via letters and they make plans for him to come to America after the war. MJ is under pressure from her dad to marry, and when she stops getting letters from Albert, after a while, she figures he is dead and agrees to marry this guy her dad wants her to.
Bingham stays with Thomas and tries to do the most he can from there.
Paul eventually (not after very long) closes the hotel and MJ funds him to go back home and be with his mother (parents?). His revolutionary group work with Thomas to keep getting people out. Paul leaves Lisa in France because it’s the right thing to do and because he needs to go home and figure things out without her.
Lisa and Hans stay to help people get out but when Albert is taken Thomas sends them to America. They stay in Varian’s refugee house and help from the outside too.
RECAP: The war just ended. MJ is married (or soon to be) to a rich guy in Chicago. Varian lives with but is divorced from Eileen in NY and owns a house they keep refugees in until they can figure something out. Thomas has a house in France he is keeping refugees in it as well. Albert just got out of Auschwitz and went back to Thomas’ villa. Paul is in his home country with his mother. Paul’s revolutionary friends are in France too and have been working against the war, somewhat with Thomas/Varian and somewhat on their own. Lisa and Hans live in Varian’s refugee house and are figuring out their relationship and lives. MJ thinks Albert is dead. Varian and Thomas have kinda sorta plans to be together somewhere after the war but NY is too dangerous and they have to put the refugees before themselves. They talk occasionally.
I have a whole thing with my ideas for season 2 but it’s too long to fit in this post so I’ll try to put it in another post but it may be too long for Tumblr we’ll see… Anyway thanks for reading!!