Huyan Empire, three years from heaven. Demons are rampant, and ghosts are rampant. Li Xiuran crossed over and became a small catcher in the yamen of the prefect of Qingyun Mansion, or a body of calamity, everywhere he went, there must be calamities, in order not to harm others, Li Xiuran had already planned to escape the world and live in seclusion, but the light was too dazzling, and there were always people who wanted to promote him. When he first arrived in Qingyun, he encountered the exile of the governor's son, the theft of the case vault, the disappearance of the population of Fucheng one after another, the demons were everywhere, and the cases were frequent. Governor: "Even solve strange cases, capture murderers, investigate demon schemes, and quell the chaos before they happen, Li Zhutou has made great contributions, with your intelligence, staying in Qingyun Mansion is too condescending, come back to Beijing with me." So, the emperor was assassinated, the courtiers were killed one after another, rumors arose, and Kyoto was peaceful for 30 years, and suddenly the undercurrent was turbulent and the crisis was everywhere. Emperor: "Partial guard Li Xiuran, solve a series of important cases, find out the real culprit behind the scenes, save the capital from danger, serve the country with all his heart, be wise and brave, I am very commendable, and I am specially promoted to the main guard of the Demon Suppression Division and the attendant of the Hongjiao Palace, and is allowed to walk in the forbidden area, and will continue to share my worries in the future, and assist the princes to study." Li Xiuran: "Are you sure?" ”