Before joining the imperial court a young Di Renjie was a minor judge in Bianzhou. When his mentor Yan Liben was welcoming Empress Wu back to the imperial court from the Ganye Temple, he encountered a strange ghostly incident called "Qingji". Master Yan was wrongly accused of being the murderer who intended to kill Empress and was jailed. To unravel the mystery, Dee comes to Chang'an alone, and with the help of his lover Gongsun Yu and his friend Yang Lu, a small-time gangster in Chang'an, he solves the "Qing Ji" murder case

The nine-tailed fox king Hua Yuan is sealed in a stone tablet by Yun Chenzi during the war. A hundred years later, in Lanling City, the kind and innocent girl Ling Yun is waiting for her lover to propose marriage, but instead she is betrayed by her father and abandoned by her lover. Under immense resentment, Ling Yun's blood tears the seal apart. The released Hua Yuan possesses Ling Yun and establishes the "Eastern Women City" with eight other fox demons. In order to completely break free of Lingyun's body, Hua Yuan sets his sights on the seven-orifice Linglong Heart of scholar Xu Wenliang. In order to make Xu Wenliang voluntarily offer his heart, Hua Yuan and her fox demons set multiple traps for him.