Overview
A serious murder took place in Tang Dynasty’s capital city Chang'an. Ambassador of the Salo Kingdom was killed in a brothel. The case is investigated by Detective Dee and Hong Yun, but they are ambushed by the culprits, and Hong Yun's best friend is killed by a man named Tian Sha, who takes away the chrysalis of the evil Moth of Nirvana as a tribute. As a result of his unfavorable handling of the case, Dee was dismissed by Empress Wu Zetian and investigated. As a result, Yuan Feng, the commander of the Jingo Guard, summoned Di Renjie to the capital to investigate the case.
| Actor | Age then | Age now | |
|---|---|---|---|
 | - | - | |
 | 23 | 28 | |
 | - | - | |
| - | - | |
 | 43 | 48 | |
 | - | - | |
 | 28 | 33 |