Once upon a time there are two fighters Chu Man King and Master Wai who were from different kung fu style (Snake fist and Crane fist) and meet for the duel secretly. The loser must leave the town and allow the winner to his art in peace. Chu Man King wins and Master Wai was upset and plan for the revenge. Several years after the duel, Chu Man King decided to send his students across the land to spread his Snake fist art.