Every 12 hours, a guy loses his memories and wakes up in a new body, having to learn who he is all over again. He wakes up in the middle of a vehicle accident, in the body of someone he doesn't recognize, with no idea who he is. He realizes that his spirit is trapped in a different body every 12 hours. In his desperate search for himself, he encounters a woman who claims to know who he is. As he investigates the issue further, he finds across a mysterious group that appears to be pursuing him. He needs to find a way back into his own body before it's too late.