Headed by Gu Huaian, a team of private reasoning from different backgrounds has been assisting the police in solving complex mysteries for a long time. From bizarre murder cases in cities, to collective disappearance cases in rural areas, to serial unjust cases related to high-level power struggles, team members each have their own strengths, and clues to the cases are intertwined. In the intertwining process of ten large-scale cases, the secrets and growth of the team members themselves unfold in parallel, and the ultimate mystery involves national-level shady stories and personal fates. Each volume of cases echoes each other, and finally converges to the overall finale, which not only provides a profound description of real society, but also shows the struggle and redemption of human nature.
