Sang-woo survived a car explosion. He lost his memory but he was able to return to a normal life thanks to his wife Yoon-hee who takes care of him with devotion. However, Sang-woo starts to feel alienated from himself in the past and the 'him' his wife talks about. He starts getting suspicious. He also finds out his wife was having an affair and becomes obsessed with finding out about his past. A man starts to follow his steps and Sang-woo is even more confused. 'What kind of a person was I in the memories lost?' The shocking truth is revealed.
A performance on stage takes place between stars Romi and Min-jeong in Japan. A woman named Ara wanders around the performance hall looking for her friend Min-jeong and goes into Romi's waiting room by accident. Ara doesn't recognize Romi, and Romi finds Ara attractive, but Muse is the only man she thinks of.
A salt storehouse near the sea may be haunted. A penniless ex-con dies a gristly death in a house he can ill afford. The detectives assigned the case are Min, newly reinstated after a suspension, and Lee, a new transfer from forensics. Min has nightmares: a sexual assault that haunts her. She and Lee work well together, but soon two more deaths occur - each mysteriously poisoned, both friends of the ex-con. A fourth friend, a newly married doctor, is a suspect. But what has all this to do with the salt storehouse, a death ten years ago, and a missing girl? Can Min and Lee get to the bottom of it, or is the supernatural beyond a cop's reach?
