This novel revolves around a folk suspense reasoning team composed of different professionals. As a series of bizarre cases occur, they work together to solve mysterious cases. They not only face the intellectual competition of reversing cases, suspected murders, and serial cases, but also face the crisis of trust in themselves and the team. Their investigation continues to lead to a huge undercurrent of conspiracy, and finally all the clues converge into a shocking main case. Each member has a unique past and growth model. As the case unfolds, the fate of the characters is intertwined, showing the complexity of urban suspense and the game of real human nature.