Ryoo Sung-hoon

An ex-special agent is involved in a convoluted drug ring drama. He has to save a drug smuggler's innocent daughter from being the victim of her parents' fight.

A reverse comedy that tells the story of a perfectionist assassin who falls and hits his head in a sauna, giving him amnesia. When a down-and-out actor switches locker keys with him, they switch lives until the hit-man, who soon becomes an action hero on TV, starts to remember things.