During the prosperous Tang Dynasty, Detective Di Renjie and his allies Li Sicheng and Qing Ci unravel a web of deceit as they investigate a series of murders, only to discover a long-buried conspiracy.
| Actor | Role |
|---|---|
 Han DongWang Tao | Wang Tao |
 Luo LiqunDi Ren Jie/ Li Si Cheng | Di Ren Jie/ Li Si Cheng |
 Shen ZhiyiQing Ci | Qing Ci |
 Tan LiminWang Yan | Wang Yan |
 Yue XunyuZhao Chung (young) | Zhao Chung (young) |
 Du YihengZhang Jing | Zhang Jing |
 Wu ChunyiChun Niang | Chun Niang |
 Ao LeiChen Li Niang | Chen Li Niang |
 Luo YutianWang Yan (young) | Wang Yan (young) |
 Bai ZiruiWang Tao (young) | Wang Tao (young) |
 Shi YaozhongTao Wang Jiang | Tao Wang Jiang |