The successful days of the Taekwondo club of Manseh High School are long over, the coach is leaving and even the principal and the other teachers have given up hope. This seems to change when Yong Gaek and his gang are forced to join the club because otherwise they would end up in jail again. The group is known as the biggest trouble makers in town. A fact the current captain of the club, Min Gyu, discovers quite early. Do they even stand a chance to win the next competition?