Lam, a cop approaching 40 but without much accomplishment, always wants to achieve something memorable before his retirement. He is obliged by his sister to find a decent Chinese girl for his nephew, Baffalo, who is an "American Born Chinese". But Baffalo has an eye for a sweetie, Ellen, who has accidentally witnessed a murder. The incident gets Lam, Baffalo and Ellen being involved in a ruthless underground arms smuggling ring, wich sends the killer to eliminate them.

Chung Yao, a martial arts expert, has long been on the run from his stepbrother, who he caught trying to rape his wife on their wedding night. His brother has never given up the chase however, and Chung Yao live in constant fear that the vengeful stepbrother will murder him and his wife.

While vacationing in Paris, King Kong is kidnapped by a British agent called James, who seeks to recover one of the stolen crown jewels, the Star of Fortune, supposedly at the request of the Queen of England. The jewel is hidden at the Hong Kong Police Headquarters and Kong will have to steal the jewel without his partner-in-crime, Detective Albert 'Baldy' Au, finding out. When James' devious intentions are revealed and Baldy and his wife, Supt. Nancy Ho, discover Kong's heist, Kong finds himself at a crossroad.

A seasoned cop and his rookie partner try to solve the murder of a heroin trafficker.

The rivalry between two Chinese prison factions heats up as a seasoned inmate forms an alliance that could cost him more than his freedom.