Chan Chi-Lung has been an infiltrator in Cheung Mo-Hung's Hong Kong triad gang for many years. After a failure of a recent negotiation by Lung with the other three local triad gangs on behalf of Hung makes the latter suspicious of Lung's identity. Hung sets to wipe out every undercover cop in his gang and as a result many cops are caught and wiped out. Sensing the danger, Lung requests to put an end to his undercover career from his captain, Cheung. However, Cheung sends Lung to Mainland China to infiltrate a business of "Special Identity" trading instead. The business is run by Hung's best protégé, Sunny, who was Lung's previous buddy in the gang. Cheung promises to reinstate Lung's police identity in conclusion of the mission once Sunny's business breaks down. Lung agrees, and joining him are local police officer Fang Jing and her chief Lei Peng from the Mainland Chinese police force. But before they can get to Sunny, the latter suddenly vanishes leaving Lung exposed and in great ... Written by DooK

Eric (Alex Fong Lik-Sun) and Cheun (Sammy) are two medical students who opt to rent a flat in a secluded housing estate, the reason being to concentrate on their upcoming exams. Their best intentions go south damn quick; first of all, Cheun wastes time and acts extremely annoying, thereby ruining any chance at serious study time. Second, there may be vampires in the building. Eric becomes slightly enamored of Jade (Miki Lee), a pretty young thing who lives in the building with her older sisters (Zuki Lee and Cynthia Ho). But after a series of weird noises and the appearance of a man bleeding from the neck, Eric thinks something may be up. He enlists the help of TV occult expert Mister M (Yuen Wah), who all but confirms Eric's suspicions: the sisters are vampires. Worse, they must suck the life out of one good man to cure their aversion to daylight, and have ear-marked Eric as the designated \"good man\".

A powerful and unpredictable suspense drama about three ordinary people thrown together on a collision course to tragedy. Based on a true story.