Martial arts classic. Despite the disapproval of his father, young Fok Yun Gap (Leung Kar Yan) sets out to learn martial arts from Japanese tutor Chiang Ho San (Kuruta Yusuaki). The latter does his job well, and Yun Gap goes on to become a legendary fighter. Years later, Japan sends a champion to challenge Yun Gap in a deadly duel of unarmed combat. He accepts, but is shocked to discover that the challenger is none other than his former mentor - Ho San!