The Sundance vet, adapted from Christopher Barzak’s novel, wisely avoids a teen-whodunit in favor of a gritty, mood piece.
Amid debates, dueling impressions and cutting barbs, the rapport between Steve Coogan and Rob Brydon manages to be equally hilarious and bleak.
Joyfully stomping down the line between comedy and tragedy, the pitch-black "Frank" benefits from a nimble cast.
Is it a zombie drama on a small scale, framed by grief? Is it a satire of end-of-relationship dramas? The answer gets lost in the middle.