"Sunshine Cleaners"
Sunshine Cleaning, maybe? If so, +1 @slaw .
Besides dramas that are about everyday people in everyday scenarios that turn sideways on them (such as A Map Of The World with Sigourney Weaver), I seem to gravitate to dark movies with non gratuitous violence, and if based on factual events--all the better.
In no particular order, I immensely enjoyed Phil Spector, Donnie Brasco (I thought this was Al Pacino's best acting), Wonderland, Black Mass, The Departed, No Country For Old Men (I particularly thought that was a great one!), The Counselor, Gone Baby Gone.
Breaking away from the dark side, I really enjoyed Rushmore, and I can watch that one over again and find some facet I missed before and enjoy it almost as much as the first time I watched it.