Cho Tak-Sing

Female agents battle a gang of diamond thieves.

Ex-gangster Sonny Koo finds himself in the middle of a bank holdup by two inexperienced crooks. The robbery goes awry, but before order can be restored, Sonny assumes control. He proceeds to turn the hostage situation to his advantage, and uses the bank's customers and personnel as leverage to free his girlfriend from prison. On the outside, sympathetic cop Captain Chan debates with his captain over how to handle the situation.

When the boss of a highly profitable Triad family is forced to flee from Hong Kong, rival gangs swoop in to steal any piece of the action they can. York Koo (Andy Lau) becomes the family's acting boss, and must do what he can to handle the difficult situation, with mounting pressure from both the Hong Kong police, and rival families.