Tiffany Chambers' world is upended one morning when a woman confronts her with evidence that they are married to the same man. Now they have six hours before he gets home to decide if they are friends, enemies - or accomplices to murder.

Suburban couple Caitlin and Miguel hire the seemingly sweet Polly to take care of their newborn baby. But Polly's true motives have little to do with singing lullabies.