Using the political decline of Northern Song dynasty as the background, this is the story of the Four Great Constables upholding justice while punishing the wicked.
Raymond Lam Fung
Heartless / Shing Ngai-yue / Mou Ching
Kate Tsui Tsz-Shan
Song Zhi-yin
Kenneth Ma Kwok-Ming
Iron Fist / Tit Yau-ha / Fok Yi
Selena Lee
Lam Ruo-fei
Sammul Chan
Chaser / Tsui Leuk-sheung
Vivi Lee
Teet Yau-Tung
Ron Ng Cheuk-Hai
Cold Blood / Lang Ling-hei
Cilla Kung
Ling Siu Dou
