Undercover cop Leung Foon is having trouble taking down the illegal trading operation headed by crime boss Ferrari. So to accomplish his mission, he asks for help from the renowned Master Wong, an expert in gambling tricks.

Kung and Kin's rivalry goes way back to the seventies when they fought over the same girl, who eventually became Kung's wife. Now they run competing phone stores right across from each other on Mongkok's busiest street, and stretch their minds trying to outdo each other with crazy promotions.

Lau Ching, a Mainlander with an incredibly powerful right arm, arrives in Hong Kong to find his cousin. He befriends with a drifter named Handsome, and a martial artist girl named Mandy. In order to woo her, Ching participates in a fighting competition in hopes of winning a $10 million prize, and must defeat his love rival, Wai, in the ring.

Manson Law, a celebrated stockbroker in Hong Kong, is injured in a car accident. The police, led by Inspector Jack Ho, discovers a military surveillance device in the car wreck. Meanwhile, the wiretapper Joe Szema is unveiling his extensive plan that targets the mysterious financial conglomerate, the Landlord Club. The fate of these three men soon intertwines in the cat-and-mouse game that may bring down the entire stock market.

During the Japanese occupation of Hong Kong, the soldiers had a clubhouse, where, on V-J Day, they committed seppuku. Now it's a police station, and its inhabitants burn dolls to keep the souls at peace. However, tonight is the Ghost Festival, when ghosts are allowed one night's leave, and the Colonel has risen, turning those he bites into vampires.

The Crime Investigation Department is assigned to protect a princess-consort coming from the Republic of Puerto Risi. They arrange a fantastic trip to introduce the princess-consort to Hong Kong, but a big crisis looms on the horizon.

Officer Chan Ka Kui manages to put a major Hong Kong drug dealer behind the bars practically alone, after a shooting and an impressive chase inside a slum. Now, he must protect the boss' secretary, Selina, who will testify against the gangster in court.

Three orphans grow up to become art thieves under the tutelage of a crime boss. Romance complicates matters when the trio are double-crossed.