The work tells the story of the "Exorcist Iron Triangle" composed of Taoist heir Wang Xiaoer, policewoman Li Xue, and Red Fox from the fox demon clan, who solve various supernatural cases. On a dark and windy night, horrific murders occurred one after another at the entrances of streets and alleys. The strange gnawed body parts and the female corpses that had been drained of their essence all showed people the cruelty of the criminals. After several investigations, the police officer Uncle Niu concluded that this series of cases was not caused by humans. However, when everyone was at a loss in the face of one unsolved case after another, a timid young man named Wang Xiaoer who came from the countryside to work in the city secretly assisted the police in solving various difficult cases. Unbeknownst to everyone, this ordinary boy hid the secret of the "Seven Killing Orders of Gods and Ghosts" by Yuan Tiangang, a Taoist genius from the Tang Dynasty ...