Overview
Undercover cop, Kin, infiltrates a Hong Kong school to root out an underworld presence. Things get tricky when he falls for a charming teacher, adding a romantic twist to the fight against organized crime within the school's vibrant walls.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 35 | 68 | |
 | 23 | 57 | |
 | 25 | 58 | |
 | 26 | 59 | |
 | 40 | February 27, 2021 (69) | |
 | 27 | 61 | |
 | 45 | October 15, 1991 (44) | |
 | 24 | 58 | |
 | 47 | 81 | |
 | 45 | 78 |