Filth

A bipolar bigoted junkie cop, manipulates and hallucinates his way through the festive season in a bid to secure promotion and win back his wife and daughter. Detective Sergeant Bruce Robertson (James McAvoy), a corrupt, cocaine-snorting, hard-drinking Edinburgh cop, is angling for a promotion to detective inspector, and is prepared to secure it by any means necessary. After a messy marriage split, however, his mind might not be as sharp as it was...