Lee San is the Vice President of a conglomerate named after him. He was taken in by Chairman Lee even though he is not the Chairman’s real son like Lee Tae-gon, but still he has earned the respect of the Chairman unlike his real son because of his seriousness and sincerity. One day, Tae-gon, who has always been an irresponsible and irrational person suddenly says that “I intend to learn about the functioning of the company” and starts getting exciting results. Then San realizes that he might lose everything which he has worked for and makes a decision. “I will attempt to discipline this irresponsible young man by myself.”