Kwan Ho is an ex-cop who grew up in an orphanage. One day his biological sister, his only blood relation, came and asked to investigate her husband. The only thing the investigation revealed was that he wasn’t registered anywhere.

After that news came out, Kwan Ho’s sister and her husband were found murdered at home with a little girl named Nabi left alive. The police conclude that they killed themselves.

The little girl who Kwan Ho takes in awakens some subconscious memories in him. and he realizes that some of his memories are false. He decides to fight against this unknown being who has controlled him since his orphanage days and against the fate that he and this girl are facing.