Psychological horror/thriller starring Julianne Moore. When forensic psychiatrist and multiple personality disorder specialist Dr Cara Jessup (Moore) examines new patient Adam (Jonathan Rhys-Meyers), she unearths a string of dark secrets surrounding his condition that places her and those close to her in grave danger. Forced to question her strong beliefs in science and in God, Cara must race against time to solve the mystery at the heart of Adam's disturbing case.