Star Chow, an officer in the elite police unit, resigns when he is made a scapegoat for a botched investigation. He goes undercover at a school to complete the case and realizes a bumbling detective is also undercover as a student.

• Win's Film Productions
• Stephen Chow Sing-Chi
• Sharla Cheung Man
• Richard Ng Man-Tat
• Athena Chu Yan
• Deanie Yip Tak-Han
• Paul Fonoroff
• Michael Chow Man-Kin
• Gabriel Wong Yat-Shan