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
Norman Tsui Siu-Keung, Gordon Liu Chia-Hui, Lau Kar-leung, Chor Yuen, Shum Wai, Tai Bo, Ngai Lau-Na, Wong Aau, Fung Hak-On, Mang Ding-Goh, Thomas Sin Ho-Ying, Derek Kwok Jing-Hung