After failing to save his wife from 'The Doctor', Kit Li is working as a bodyguard and secret stunt double for the cowardly martial arts film star Frankie Lane. Frankie attends an exhibition of the crown jewels of Russia at a Hong Kong hotel, and when the Doctor's gang take over the building in attempt to steal them, Kit is the only thing standing in their way. Will Frankie regain his courage? Will romance blossom between Kit and the nosy reporter? Who has the best Kung-Fu?

Ma Jun, a cop known for dispensing justice during arrests, teams with Hua Sheng, who's undercover, to try to bring down three merciless Vietnamese brothers running a smuggling ring in the months before the mainland's takeover of Hong Kong. The eldest, Xian Wei Cha (called Zah), is arrested in an operation that exposes Sheng and almost gets him killed. His girlfriend, Qiu Di, who's been unaware of Sheng's profession, wants to see him quit. Jun pursues the gang tirelessly, sometimes ignoring police protocols. Zah's trial approaches, witnesses are in danger, and a showdown is inevitable.