Your father is one of the big financiers of Korea and he recently partnered with another financier of the country. For some reason, you and your family have to move to a 17-story building in the best part of the city, and the family of your father's business partner also lives there. Your father's partner has three sons, Jay, Sunghoon and Nicky. You have no idea and one day you enter the elevator and the boys of the business partner also enter the elevator, and they meet you.