read it on AO3 at https://ift.tt/XkiVvd9
by cloud_wolfbane
Daniel Buckley was saved in the middle of the night by a stranger with magic, he asked only one thing in return; A life for a life. In which Evan "Buck" Buckley grew up not knowing he was adopted. When Athena finds a match to Buck's DNA in the system she decides it's time to give Dean Winchester a visit.
Words: 10209, Chapters: 1/5, Language: English
Fandoms: 9-1-1 (TV), Supernatural (TV 2005)
Rating: Teen And Up Audiences
Warnings: No Archive Warnings Apply
Categories: M/M
Characters: Sam Winchester, Athena Grant, Christopher Diaz (9-1-1 TV), Howie "Chimney" Han, Daniel Buckley, Maddie Buckley, Henrietta "Hen" Wilson, Bobby Nash
Relationships: Castiel/Dean Winchester, Evan "Buck" Buckley/Eddie Diaz (9-1-1 TV)
Additional Tags: Canon-Typical Violence, Daniel Buckley Lives, Evan "Buck" Buckley Needs A Hug, John Winchester Being an Asshole, Adopted Evan "Buck" Buckley, Crossover, Alternate Universe - Canon Divergence, Post-Season/Series 15, Castiel and Dean Winchester are Saps, Castiel and Dean Winchester are Married
read it on AO3 at https://ift.tt/XkiVvd9