Hyewon is an intelligent girl with a dark past that causes her to act violently and cold. When she's moved to her 15th school, instead of the normal expulsion process she gets after assaulting a fellow student, the principal comes up with a different method of discipline. She houses the troubled teen with 12 of the best students at the school. Can the boys win her trust? Or more in importantly, can she keep her hands off The Boyz? What's this dark past they keep hearing of?