Hyunwoo Baek is an average person who works a normal job and lives a normal life... until he murders someone. He finds himself sharing his body with his victim, Hajun Kim, a high-ranking mafia official with supernatural powers. The two of them make a deal to let Hajun control his body so they can both get what they want. Can the two of them work together to fulfil their goals? Or will their dreams be crushed by the law?