Chow Sing Sing is about to be kicked out of the Royal Hong Kong Police's elite Special Duties Unit. But a senior officer decides to give him one last chance: Star must go undercover as a student at the Edinburgh High School in Hong Kong to recover the senior officer's missing revolver.

While battling a psychic gambler, Sing hurtles back in time to 1937 Shanghai. Now he must come to grips with his family history and get back to 1991.

Five friends are released from prison and do their best to stay out trouble. While trying to mind their own business (and run their 5-Star Cleaning Service), they are caught up in a war between rival Triad gangs fighting for control of the counterfeit currency market.

Jimmy and Tiger are members of the Chinese national wushu team. The two are in Los Angeles to perform exhibitions. However, for Tiger, he plans to defect to L.A. to make a name for himself. When Jimmy learns of Tigers plan to defect, an attempt to stop him fails and Jimmy ends up missing his flight to China. Now a fish out of water, Jimmy's only hope is Andy, a wisecracking youngster in L.A. Meanwhile, Tiger works for a mafia boss. When Tiger loses a fortune in cocaine in a detergent box that Andy accidentally took, Andy and Jimmy soon have no choice but to face the wrath of Tiger and his men. Their only ally is Penny, the girlfriend of Tiger's boss. Two men who were once best friends have now become bitter enemies.

Mob assassin Jeffrey is no ordinary hired gun; the best in his business, he views his chosen profession as a calling rather than simply a job. So, when beautiful nightclub chanteuse Jennie is blinded in the crossfire of his most recent hit, Jeffrey chooses to retire after one last job to pay for his unintended victim's sight-restoring operation. But when Jeffrey is double-crossed, he reluctantly joins forces with a rogue policeman to make things right.

Two best friends and cop partners become the subject of a beautiful news reporter's documentary. The two soon find themselves competing for screen time as well as the love of the reporter while after a murderous arms dealer.

Alan and Eric are childhood friends who are separated when Eric moves to America. They are reunited in Hong Kong when Eric finds Alan at the cafe where the latter is working as a waiter and singer. Together they forge a business which is destroyed in a storm. Meanwhile, both have met a lady named Olive, and both strive for her affection.