Jaebeoljib Maknaeadeul plot
Yoon Hyun-woo is a dedicated, hard-working and loyal secretary of the Jin family. He has been working for them for ten years, but one day he is suddenly falsely accused of embezzlement. The youngest son of the family, Jin Do-joon, kills him soon after. When Hyun-woo regains consciousness, he suddenly appears to be in Do-joon's body. With his new identity, Hyun-woo decides as Do-joon to engineer a hostile takeover of the family business and punish the people responsible for his death.