The story revolves around Gu Yuan, a university librarian. He may seem ordinary, but he has extraordinary keen observation skills and is very interested in urban legends and anecdotes. By chance, he was involved in a series of supernatural events. He met the captain of the criminal police team Su Qing, the physics professor Professor Li, the high school student Zhao Xiaoya and others, and jointly explored the truth hidden behind the city. As the investigation deepened, they discovered that these incidents were not isolated, but were closely related to an ancient secret organization. The organization seeks to use supernatural powers to change the world, and Gu Yuan and his partners must stop their plot. The storyline is intricately intertwined, including exploration and revelation of supernatural phenomena, as well as torture and reflection on human nature. Gu Yuan continued to grow while experiencing various challenges, and finally revealed the mystery of his life experience and became a key figure in guarding urban peace.
