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
• Gregory Lee Wing-Ho
• Samuel Chan Kin-Fung
• Keith Ng Shui-Ting
• Lily Chung Suk-Wai