Cheon Joong Myung, the third son of the CEO of the fifth wealthiest corporation, Ji Gyoung Group. And his assistant working under him, Seong Chang Ook. While Seong Chang Ook tried to kill Cheon Joong Myung and cover it up as an accident, Seong Chang Ook was accidentally electrocuted along with his boss. That’s when they find themselves trapped in each other’s bodies… “You want me to become a playboy Conglomerate the world has never seen before?” “I’ll be opening the doors to hell if I do this” This is the start of the endless march of Cheon Joong Myung, the Lord of Money.