The story takes place in Linjiang, an extremely modern city. The five main characters are in different circles of journalism/police/psychology/technology/business. As Shen Zhiqiu investigates a bizarre disappearance case, he joins forces with Lin Manqian and Su Zitong and becomes involved in a larger criminal network. Multiple story lines run in parallel, involving family past events, social shadows, "the truth on the dark web", power games, etc. Each volume reveals a key mystery, gradually piecing together the dark power structure hidden in Linjiang, and also promotes the heroines to grow up in crises and challenges, and finally face social truths and personal choices. The structure of the book polishes the realistic context, paying attention to details and the psychological level of the characters. Each volume independently presents a major case or suspense problem, and finally converges into the reveal of the ultimate mystery.