During the Yongchang period, the demon clan suffered from cholera. Li Shiyi, the best demon hunter in the world, collected all the demons in the Baize family's most precious treasure - the Map of Mountains and Seas, and the demon clan's chaos subsided.However, not long after, Li Shiyi was found tragically dead at home, and the Baize family was also ordered to be executed by Emperor Mingzong because of the loss of the Mountain and Sea Map...
More than ten years later, in order to inherit the mantle of his father Li Shiyi, Meng Xizhou, a hunter who specializes in haunted houses, became a demon hunter. He went to the haunted house alone to catch the cat demon, but accidentally met an anonymous descendant of the Bai Ze family, the current Dali.Temple Zhengnan Fengyi accidentally opened the demon-discriminating pupil, and was involved in the death case of Pei Kui, the minister of Dali Temple, and was arrested by Nan Fengyi as the murderer.