With encouragement from his girlfriend, Gloria (Carmen Lee), Ken Wong (Aaron Kwok), a rebellious and stubborn youth, decides to focus on the sport of boxing. During a match, Ken accidentally kills Gloria's older brother, Rocky (Michael Tong), and the two break up. Ken is unwilling to give up his boxing career and seeks tuition from boxing master, Black Jack Hung (Sammo Hung). He also manages to reconcile with Gloria, who supports Ken returning to the ring to complete her brother's wish to challenge Yamada Motokazu (Sawada Kenya), the boxing champion of Asia. Due to constantly suffering blows to his head, Ken's is physically traumatized and once able to defeat Yamada, he also collapses.