Lo Ka Yiu, a young ad designer who is sentenced to jail for manslaughter, has gotten himself in trouble with the corrupted wardens and fellow inmates of Triad background. Chung Tin Ching, a veteran inmate and Yiu's mentor, is forced to confront his comrade's enemies time and again, leading up to the final showdown with the head of security.

• Cinema City Company Limited
• Tony Leung Ka-Fai
• Chow Yun-Fat
• Roy Cheung Yiu-Yeung
• William Ho
• Tommy Wong
• Victor Hon Kwan
• Terrence Fok
• Frankie Ng Chi-Hung