Title: The Greater Good
Rating: NC-17
Pairings: Kirk/McCoy, Sulu/Chekov, Spock/Uhura
Warnings: sex, angst (specifically in the context of depression and PTSD), medical and military stuff that should be read with suspended disbelief, lab rats (including non-graphic description of humane euthanasia), underage drinking (though Chekov argues that he's legal in Russia), and minor character (OC and canon) deaths
Summary: Doctor Leonard McCoy thinks he's getting by, working as both a surgeon and a researcher at UCSF Medical Center. A chance encounter with Lieutenant Jim Kirk - who's changed since they first met five years before, and not for the better - forces Leonard to face reality about his own situation while trying to keep Jim from heading down the same path.
Master post with mix, links to each part, and a link to the art