Kai, whose father used to be a national boxer and uncle teaches boxing at school, is fond of boxing. Kai and his uncle have, nevertheless, secretly participated in competitions though he is strictly forbidden to do so, and eventually lead to a cruel and contradictory outcome.
| Actor | Role |
|---|---|
 Brando HuangCoach Chen | Coach Chen |
 Lan Wei-huaHan-ning | Han-ning |
 Chien-Yu ChenMing-kai | Ming-kai |
 Kris KuanLi-fang | Li-fang |
 Tsai Ming-shiouOld Tsai | Old Tsai |
 Yung-Hsin ChaoPrincipal Chao | Principal Chao |
| YYen Lan-ChuanNot listed | Not listed |
 Huang Chih-lingCin-sian | Cin-sian |