Henry, a psychopathic drifter who has left a trail of bodies in his wake, settles for a while at the dilapidated Chicago apartment of ex-prison mate Otis. Into this toxic environment comes Otis's younger sister Becky, who's fleeing an abusive marriage and looking for a place to stay. Deflecting her brother's incestuous advances, Becky finds herself attracted to Henry and sees him as a potential lover and herself as his possible savior.