Sam is cursed with hair so awesome that anyone who looks upon it cannot resist him. Unfortunately this includes his brother, forcing Sam to go into hiding while Dean figures out a way to break the curse. Alone and not even able to venture outside, Sam's only company is Castiel who is immune to the curse.
Sam had been a junior associate at Garrison for less than a week before its senior partner decided there was an additional function he wanted him to perform. Skeevy Alan Shore!Lucifer/baby lawyer!Sam, basically.
Sam has been able to see and talk to ghosts all his life. "Lucifer" is the troubled ghost companion he can't shake off no matter how hard he tries. And the fact he may not want Lucifer go is starting to freak Sam out. [Prompt]