The film is set in a futuristic setting, where significant advances in science and technology have been made. Ex-soldier Ryan Reeve (Noel Clarke) wakes up in the back of a van next to a young boy, Alex (Art Parkinson), who is being held prisoner. Strangely, the boy seems to think Reeve is the kidnapper though he has no memory of ever having seen the boy before. After freeing the boy and attempting to figure out what has happened to him, he blacks out again and awakes in a room with a mysterious young man named Harkin Langham (Ian Somerhalder), who seems to think he is someone else.