Andrew Wu Ying-Kin

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.

Sing finds Michael "Dagger" Chan in order to become Ko Chun's next disciple, but the two must put aside their differences when they discover that a gang boss is bent on ruining the God of Gamblers' name.

Chow Sing Sing is about to be kicked out of the Royal Hong Kong Police's elite Special Duties Unit. But a senior officer decides to give him one last chance: Star must go undercover as a student at the Edinburgh High School in Hong Kong to recover the senior officer's missing revolver.

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Hong Kong film