Overview
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.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 29 | 63 | |
 | 39 | February 27, 2021 (69) | |
 | 24 | 58 | |
 | 26 | 61 | |
 | 44 | October 15, 1991 (44) | |
 | 23 | 58 | |
 | 27 | 61 | |
 | 46 | 80 | |
 | 27 | 61 | |
 | 42 | 76 |