Narcotics officer Shaolun (Tony Leung Ka Fai), in order to bring down the local drug kingpin King (Michael Wong), forces a female street thug with an equally sketchy past, Coco (Rosamund Kwan) to infiltrate King's organization and provide information. What no one expected was for both men to fall for Coco, and Coco for King.

Little Tiger ventures from the sticks to the big city in search of his cop brother Big Tiger, an honest cop working in a corrupt system. Surmising that life in the police force was not his cup of tea, Little Tiger joins the Swallow Acrobatic Troop, which he excels in because of his kung-fu prowess. When a band of thugs from Chin Hung-yun's group attacks the troop, Little Tiger not only handily fights them back but also infiltrates their organization to destroy them from the inside. Meanwhile, Big Tiger's old flame Mary returns from America to join the revolutionaries. Big Tiger soon finds himself torn between his love of this girl and his orders to arrest all revolutionaries.

The plot includes the plight of two women who both find themselves betrayed by the men they love. It's a violent female 'buddy' movie, with two mismatched heroines, a policewoman and a drug addicted prostitute joining forces to seek revenge.

Jackal, Cash and Sam form the core of ATM (Available Tactical Mercenaries), an industrial espionage unit that utilizes high-tech gadgetry to steal technology and fence it on the black market. However, they're blackmailed by the Hong Kong government to snatch some counterfeit plates called SN2 from the British MI5. Naturally stuff goes wrong, our heroes are framed for SN2’s disappearance, and then they must set about clearing their names with whatever hi-tech gadgets they have leftover.

Blue, Tango, and C.S. are CIA research scientists working on Project VR Fighter, which is designed to train any unskilled person into a magnificent combat agent. Tango and C.S. decide to undergo the training themselves, because Alien, the international terrorist, has killed C.S.’s fiancée and kidnapped Blue for his conspiracy. However, the side effects of Project VR Fighter cause problems between the two friends and their mission is soon put into jeopardy.