This is a world of cultivators, there are Taoist priests, Buddhas, Confucian scholars, martial artists, demons, and Gu ...... In the second year of Yongzhao, the stormy Dayu Dynasty changed two emperors under the situation that the queen mother who listened to the government changed the situation, and the undercurrents inside and outside the court were surging. Zhao Cuo opened his eyes and became the eldest son of the Zheng Guogong Mansion, his fiancée is still the first beauty in the capital, and the family is the number one eagle dog of the Queen Mother, as long as he holds this thigh tightly, he must be worry-free, compared with those more and more low-key traverser predecessors, he is really a failure. "What! Is his fiancée a demon spy? Or the princess of the Mobei Demon Court? "Colluding with the demon clan is a big sin for the three clans!" "The Queen Mother will want my life?" That night, Zhao Cuo silently put poison in a glass of wine that could put the demon clan sage down. As the heir of the Zhao family, who has guarded the Demon City for generations and held the Criminal Division, he has a complete set of torture instruments. However, this night, he was planted by the good-looking and hateful demon girl, the most ferocious "dragon vein worm" in the world! In order to suppress the Gu worms, Zhao Wrong Dao Gu Technique initiates, took charge of the Criminal Department to torture the demons in the world, and looked back many years later, and preached the Dao Gu Immortals! "My name is Zhao Cuo, and if you make a mistake, you will be wrong!"