A school director is forced to train the 'worst' students of his school to master Taekwondo as the old coach, taking along the best of his athletes, left the school.
Kim Dong-wan
Hyun Bin
Jo An
Jin Tae-hyeon
Park Ji-yeon
Moon Ji-yoon
Lee Ki-woo
Jeon Jae-hyeong
Kim Young-ho
Kim Kap-soo
Jung Woo