The Hong Kong super-cop must stop a group of blackmailing bombers at the same time that the villains of the first Police Story are out for revenge.

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.

Chan Ka Kui is a Hong-Kong policeman, who single handedly captures and arrests a big drug lord. The drug-lord then frames Chan with the murder of a corrupt cop. Now a fugitive cop killer, Chan Ka Kui must try to catch the drug lord and clear his name.

In late 19th Century Hong Kong the British may rule the land, but the pirates rule the waters. One Coast Guard officer is Dragon Ma, who is determined that his beloved Coast Guard will not be made a fool of.

Dragon and his madcap pal Cowboy spend their days getting into mischief, frustrating the elders, chasing girls, and competing in the village sport. When Dragon overhears a fiendish plot by smugglers to sell China’s national treasures overseas, the pair leap into action. Also, Cowboy’s wealthy father is kidnapped by the villainous and lethal Big Boss, and the scene is set for a furious martial arts showdown.