Lee Jun is a Korean Taekwondo master who is asked to act in a Hong Kong movie. But when he gets there, they ask him to do Kung Fu and he refuses. The film company sues him for not fulfilling the contract agreement and he has no choice but to stay in Hong Kong. Jun fights against Ho, a mafia boss, and his friend Brancov. But Brancov tricks him and Jun is badly injured. Harold goes against Brancov to avenge his master but is defeated. Harold goes to Jun and asks him to train him. Jun teaches him Taekwondo martial arts. One day Harold goes to Ho and Brancov and fights them. Jun also appears and join forces with Harold in defeating Ho and Brancov.