Two feuding members of the same gang are arrested after a fight with another gang and must stick together while serving time in a juvenile prison.

• Sheen Melody
• Louis Koo
• Simon Lui Yu-yeung
• Frankie Ng Chi-hung
• Oscar Leung Lit-wai
• Keith Ng Shui-ting
• Lily Chung Suk-wai
• Michael Tse Tin-wah
• Victor Hon Kwan