'When they said all happy families are alike, I don't think this is what they meant...' Evelyn Caldwell's husband Nathan has been having an affair--with Evelyn Caldwell. Or, to be exact, with a genetically cloned replica. After a morning that begins with a confrontation and ends with Nathan's body bleeding out on the kitchen floor, the two Caldwell wives will have to think fast--before sharing everything includes sharing a jail cell.