A martial artist/doctor steals from the corrupt authorities as a masked thief to give to the poor while another martial artist/doctor is forced to hunt him down. But a major threat unites them as a powerful and traitorous shaolin monk takes over the authorities.
Seven years after the apparent death of Chen Zhen, who was shot after discovering who was responsible for his teacher's death (Huo Yuanjia) in Japanese-occupied Shanghai. A mysterious stranger arrives from overseas and befriends a local mafia boss. That man is a disguised Chen Zhen, who intends to infiltrate the mob when they form an alliance with the Japanese.