In the sinful city of He Yang, Pan Yue, a handsome gentleman greatly admired by other women, marries Yang Cai Wei, whom everyone despises. On the day of their wedding, Yang Cai Wei is murdered, and the suspect is none other than Pan Yue. Yang Cai Wei gets resurrected and returns with vengeance in her heart under the guise of the notorious Shangguan Zhi, desperately wanting to expose Pan Yue's true identity as the murderer. While bravely fighting against the evil forces of the "Four Great Clans" and investigating old cases, the two hearts become closer. Yang Cai Wei finds out that the real murderer who killed her is someone else, and Pan Yue has loved her deeply from the very beginning. Things are turning out well for both of them, but the evil masterminds are setting a trap and trying to push the two to their doom.