The film tells the story of Nolan, recovering from a car accident in which his wife died. He has amnesia and is struggling to put his life back and take care of his daughter. Nolan’s best friend encourages him to try Dr. Lillian Brooks’ experimental treatments. But the more memories he begins to have, the less confident he feels about himself and who he is. How far does he have to go and how deep does he have to dig to finally find out the truth?