Undercover cop Lok Hwa takes two years to become the trusted lieutenant of rising Hong Kong drug lord, Feng. The night of the big bust, Feng's flaming car crashes spectacularly into the sea; Feng is presumed dead. Hwa returns to the force and to June, his patient girl friend. Also, to save Feng's lover Yung from a life of crime, Hwa gives her his pager number and promises to be there for her. A year later, Feng reappears, asking Hwa's aid with one last task before he returns to the mainland forever. Feeling sentimental, Hwa agrees to help and finds himself set up to take the fall in a drug war. June is in danger, too, and death awaits as Yung realizes it's Hwa she loves.

Hotheaded cop Bill Chu gets relegated to the Emergency Unit after a dustup with his inept boss. When the mob kills Chu's pal and ex-colleague during a turf-war hit, he rounds up his motley department cohorts and embarks on a mission of revenge against the gangsters.

When terrorists abduct a deadly government attack robot, the call is put out to the Gen-Y Cops, an elite task force with lethal fighting skills. Together with a trigger-happy FBI agent, the Gen-Y Cops race against time to destroy the robot before it destroys their city.

Four young officers of the Hong Kong Police are joined together to fight against organised crime using all possible means, even if this would lead them to break the law… Their first assignment is to eliminate a gang of criminals who have stolen a shipload of explosives.

For never-do-well compulsive gambler Fong, there's only one thing more fearsome than debtors at his doorstep - having to coax a crying baby. But what if the baby becomes his golden goose to fend off his debtors? Can he overcome his phobia of diapers, milk bottles, and cloying lullabies?