Louis Koo plays an assassin who wants to go straight after getting out of prison, so he turns down a job from his former employer Simon Yam to kill a politician. Yam carries out the hit himself and manages to frame Koo for the crime, who then must run from both the cops and criminals as he tries to clear his name.

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.

The anti-Ching patriots, under the guidance of Ho Kuang-han, have secretly set up their base in Canton, disguised as school masters. During a brutal Manchu attack, Lui manages to escape, and devotes himself to learning the martial arts in order to seek revenge.