Cheng Yuchen leads a multi-field professional reasoning team that specializes in assisting the police or clients in solving various difficult cases. The team members each have their own pasts, and the case gradually progresses from a personal commission to a social impact case, and even involves dark forces across industries and organizations. In the intertwined story lines, the team not only solved complex cases such as serial murders, disappearances, fraud, and political scandals, but also gradually uncovered each other's secret past, and finally faced the ultimate mystery that affected the entire city together. Each volume focuses on cases of different natures, is independent and interlocking, and the reasoning process is realistic and rigorous, reflecting the growth of the team and the individual's mental journey.
