Real estate tycoon Wong Ho-Chiu (Anthony Wong Chau-Sang) suffers great pain when his daughter Daisy (Janice Man) is kidnapped and killed. Wong Ho-Chiu turns to his trusted bodyguard Chor (Richie Ren) to seek out the perpetrators and exact revenge. Wong Ho-Chiu goes one step further and orders Chor to videotape each of their executions. Once Chor tracks down the final perpetrator Wong Ho-Chiu decides to kill that person himself. When Wong Ho-Chiu learns about the perpetrator’s past, he has second thoughts …

After a top gangster is murdered, his second-in-command must prevent an uprising by rival gangs.

Two tactical unit leaders are forced to put aside their differences to help catch a group of robbers.

Down-on-his-luck gambler Kan Au (Sam Lee) owes a big sum of money, and needs to go on a winning streak soon or the loan sharks will take the interest from his hide. Luckily, Kan finds a blessed coin that allows him to draws the unbeatable "13 Unique Wonders" hand of mahjong on 13 consecutive nights, which should be enough for him to pay his debts. The problem: every time he uses the coin to win,somebody dies a gruesome, gory death. Meanwhile, fetching Luk Wing (Elanne Kwong) wakes up one morning to discover her family being eaten! Everyone around her has become a zombie, and Wing has to pick up an axe and fight back, or her heart will be come lunch for the living dead.

When the Ronin Gang robs an armored car, three cops — Chan, Fong and Wai — go on the warpath. Each has a personal interest in bringing down Ronin leader Tien: he killed Chan's fiancée, humiliated Fong and kidnapped Wai's brother.

Inferior gangster Flying Dragon has a bad habit of gambling, he thus offends the three great gamble deceivers. Luckily his younger cousin, Roy, who comes back from America is extraordinarily lucky, he can win every round of the game and saves Flying Dragon. Flying Dragon hence brings Roy to Mahjong casino to earn money for him. Roy observes the rivalry between two Mahjong geniuses Hua San Yuan and Ge He Qing by chance, he witnesses the fate of them - one turns to be insane and one becomes bankrupt, and decides not to snatch the reputation of "The King of Mahjong". Though Roy has no desire to seize the fame, his good luck elicits the worry of aggressive Mie Luo who then plans to harm Roy.

A gangster's son is accidentally killed during a drunken dispute with a rival gang, and Officer Milo's task force is assigned to the case. He soon learns that a hitman has been hired to take out the rival gang leader. While Milo and his crew desperately try to find and stop the hired gun, fearing all-out war in the streets, Lai Fu, a smart but inexperienced killer from a small town in the mainland, arrives in Hong Kong to do his job.

In Hong Kong, a terrorist organization plans to blackmail the world's government with the help of two fatal diseases a goofy scientist created. Two Interpol agents went to stop their evil plot of world domination, but one of them became a victim of one of the diseases and wanders off acting like a six-year old child. He mindlessly walks into a bullied action film star's mansion, and the star, Jones Bon, was forced to babysit him while dealing with affairs involving his divorced wife and his two daughters. Only a short period of times has passed when Jones, although paying more attention to solving his family situations, finds himself fighting the terrorists.

A revolver falls into the hands of series of characters from the bustling district of Mongkok to the mainland port city of Shenzhen.