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.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.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.