| Although she hopes to follow in her father's footsteps as a master constable, Luk Sap-Yee is an impulsive and idealistic constable whose skill and competence are often dismissed by her corrupt male peers. When Sui Tong-Lau, the newly appointed magistrate, arrives in Sap-Yee's city, they wind up working together to solve a number of unusual cases. |
| Name | Character | Episodes |
|---|---|---|
| Yuen Wah | Luk Chin | 20 |
| Benz Hui Siu-Hung | 20 | |
| Lily Li | 20 | |
| Ho Kai-Nam | 20 | |
| Eddy Ko Hung | 20 | |
| Mimi Chu | 20 | |
| Wayne Lai Yiu-Cheung | Si Kei-Wong | 20 |
| Kenny Wong Tak-Ban | 20 | |
| Ken Lok Tat-Wah | 20 | |
| Moses Chan Ho | Shui Tung-Lau | 20 |
| Ricky Wong Chun-Tong | 20 | |
| Lee Hoi-Sang | 20 | |
| Michelle Yim | Gam Ying | 20 |
| Joseph Lee Kwok-Lun | 20 | |
| Wai-Man Ngai | 20 | |
| Cheng Ka-Sang | 20 | |
| Sunny Tai Yiu-Ming | Mau See (constable) | 20 |
| Lam King-Kong | 20 | |
| Johnson Lee Sze-Chit | Mok Dai-Mo (constable) | 20 |
| Cheung Ying-Tsoi | 20 | |
| Law Ho-Kai | 20 | |
| Yu Miu-Lin | 20 |