Push a red button on a little black box, get a million bucks cash. But there's a catch: Someone somewhere - someone you don't know - will die. Cameron Diaz and James Marsden play a couple confronted by agonizing temptation yet unaware they're part of an orchestrated and - for then and us - mind-blowing chain of events. Frank Langella also stars in the gripping sci-mystery thriller from director Richard Kelly ("Donnie Darko") and a short story by Richard Matheson ("I Am Legend").