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

The males in a triad family are betrayed and gunned down by a rival gang and the women in the family - from the matriarch to the youngest - decide that rather than sit around and mourn their men that they will extract revenge.