Joe Siu International Film Ltd

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.

A young woman named Yin dreams of leaving her modest village life for a chance to try to make it big as a martial arts movie star. Leaving for the big city with her boyfriend, life takes a turn for poor Yin when she soon finds herself addicted to drugs and being pimped out by her boyfriend. After a violent altercation forces Yin to flee to Hong Kong, it's not long before she ends up on the radar of the police. Without any other options, Yin makes a deal with the police to go undercover with one of their straight-laced female detectives, Hung, in order to try and bring down a notorious drug dealer nicknamed "King Kong." Victimized by the men in their lives, the two unlikely friends must team up to protect each other from the criminals out to get them and work together to get revenge on those who have betrayed them.

Developer Ms. Cheung (Carol 'Do Do' Cheng) yearns for a quieter life in Hong Kong and moves to the countryside, getting herself caught in a showdown between a gang of jewel thieves and two police officers along the way. While Ms. Cheung survives the ordeal, the thieves' injured getaway driver (Siu-Chun To) sneaks into Cheung's moving van and escapes to the countryside, into Cheung's new home. As Cheung settles down into her new environment, she befriends Pak-Lam (Pak Lam Cheng), a skillful and inquisitive little boy who lives in the village. While Pak-Lam helps Cheung tend to her house, he encounters the injured thief. After a brief exchange, Pak-Lam realizes the thief has a harmless and non-aggressive attitude and decides to shelter him in his secret makeshift hideout, not knowing his new friend has in his possession a bag of stolen jewels, in which both the police and the gangsters are searching for.

Lawyer Jessica Yau finds out about her husband's money laundering scheme and gets shot in the head. She survives, but loses her memory. She is cared for by Mei Mei Chen, a nurse she screwed over in a lawsuit before being shot.

Two agents are assigned to break up a gang involved in counterfeiting, slavery and drug smuggling.