The Japanese forces occupy Shanghai and slowly start spreading terror in the city. Chen Zhen, who was presumed dead, returns to fight against the Japanese and put an end to their tyrannical rule.

In the middle of the 17th century, the Manchus conquered China and founded the Ching dynasty. Due to widespread uprisings against the new rulers, the study and practice of traditional martial arts is forbidden and punishable by death. The unscrupulous leader of a troop of mercenaries takes advantage of this situation to make a fortune with the bounty on his head.