Yoon Hyun-Woo has worked for Soonyang Conglomerate for more than 10 years. His job mainly consists of taking care of the family that runs the company. His work is similar to that of a servant but he is falsely accused of embezzlement by the conglomerate family. He is then killed by their youngest son Jin Do-Joon. The next moment Yoon Hyun-Woo finds himself in the body of the family's youngest son Jin Do-Joon. He decides to take revenge on the Soonyang Conglomerate family and also run the company.