Everyone abuses and humiliates a downtrodden orphan (Chan) until he befriends an old man, who turns out to be the last master of the “snake fist” fighting style. Jackie becomes the old man’s student and finds himself in battle with the master of the “eagle’s claw” style, who has vowed to destroy the snake fist clan.

Dragon is now transferred to be the police head of Sai Wan district, and has to contend with a gangster kingpin, anti-Manchu revolutionaries, some runaway pirates, Manchu Loyalists and a corrupt police superintendent.