While helping a handful of plane crash survivors cope with their grief, young psychologist Claire Summers (Anne Hathaway) begins to uncover conflicting accounts of the accident. At first Claire believes that trauma is behind her patients wildly different stories - until the survivors mysteriously begin disappearing one by one. Now Eric (Patrick Wilson) a surviving passenger she has grown dangerously close to, may hold the key to unlocking the truth about the tragic incident in this shocking psychological thriller.