The main plot revolves around a private suspense reasoning team - all kinds of bizarre cases continue to emerge in the city, and behind each case involves the distortion of human nature, the darkness of society and the loopholes in the rule of law. The team members perform their respective duties and work together to solve the case. At the same time, everyone is also pursuing the unsolved mysteries of their own past. As the cases deepened, they gradually discovered that there seemed to be deep connections between all the cases, and the looming mysterious organization was planning a larger conspiracy. In the end, the team must not only face the threat of external villains, but also overcome their own crisis of trust, and write a realistic reasoning history song about truth, redemption and growth in the most real city.
