Details :

Chen Jun returns to Shanghai to discover that his kung fu master, Fok Yun-Kap, has dead under mysterious circumstances. Foks funeral is disrupted by representatives from a rival Japanese martial arts school, who deliver an insulting signboard that reads Sick Men of Asia. Infuriated by this insult, Chen returns the sign to the Japanese, and proceeds to beat the entire karate school into submission. Subsequently, he learns that Fok was murdered by the Japanese gang, and that they are terrorizing his former school. He sets out on a bloody trail of vengeance. In the end, Chen must pay the ultimate price of his patriotism...