 Nathan Del Amico, a brilliant New York lawyer who leads a life of professional success, but his private life is pretty dismal since he divorced Mallory, his only love. Until he meets Garrett Goodrich, a mysterious doctor who introduces himself as a "messenger." He claims that he can sense when certain people are about to die, and that he is sent to help them put their life in order before it s too late. Nathan doesn t believe a word of this, but soon afterwards he witnesses some disconcerting scenes which seem to confirm the doctor s claims.