The novel unfolds from the perspective of Xiao Ran, a freelance writer. He accidentally discovers a series of unexplainable events in the city: missing people, memory-altering apps, mysterious rituals, etc. During the investigation, he met psychological counselor Liu Qing and criminal police captain Zhao Ming, and the three teamed up to uncover the dark side hidden under the bustling city. At the same time, the emergence of Professor Li, a professor in the Department of History, gave these events a deeper historical and cultural significance. As the investigation deepened, they discovered that these incidents did not exist in isolation, but were like ripples, affecting and interrelated with each other, and finally converged into a powerful force that threatened the order of the entire city. Xiao Ran, Liu Qing, Zhao Ming and others must overcome their own fears and weaknesses, uncover the truth, stop the spread of the conspiracy, and save the city.