Ngai Lau-Na

A la suite d'une opération de police réussie, un policier infiltré dans un gang est toutefois démasqué. En représailles, des tueurs sont engagés et envoyés à ses trousses. Mais les choses ne vont pas se dérouler comme prévu aussi bien du côté de la police que des hors-la-loi.

Five hundred years ago, to practice witchcraft, a bat elf forces her sister, Siu-chu to lure strong men so that she can suck their blood. A priest stops Siu-chu from killing two guards by using his supernatural powers. After fighting, both parties are wounded. To help the guards cope with bat elves, the priest gives them string instruments, swords and thousand-year-old snow pearls. Unexpectedly, the guards swallow the snow pearls and it takes them five hundred years to resurrect……

Keung and Fai had been good friends since childhood. They both had keen interest in boxing-matches. Having parted with Keung for more than ten years, Fai had become a police officer. On the contrary, Keung had joined an illegal organization as a professional killer. Keung decided to resign from the organization