In the modern city "Hepei City", which has a highly developed economy but fierce social conflicts, a series of "brain hole" phenomena that cannot be explained by logic began to occur one after another: such as distortion of physical laws, collective hallucinations, identity exchange, confusion of fragments of reality, etc. Investigative reporter Jiang Linghe initially intervened due to news clues, and combined with the government's abnormal events department investigator Chi Wendao, psychological counselor Ji Qingyan, technology geek Luo Boliang, and college student Liu Zhiwei from multiple perspectives to gradually uncover the complex mysteries related to urban history, power, technology, social psychology, etc. Behind the anomaly. Each volume focuses on different urban levels and groups of people, with some story lines unfolding independently and intertwined with each other, jointly pointing to the real motivations and multiple human nature challenges under the abnormal appearance of the city.