On the day when Junding Club opened, a bizarre explosion occurred. The police negotiated with the robbers. The robbers specifically requested to negotiate with Na Lan (played by Li Muchen), a famous beautiful psychologist in Jiangjing City. However, the police found that Na Lan was in Junding Club and became one of the hostages of the robbers. Due to some accidents during the negotiation process, Dai Xiangyang (played by Wu Bin), one of the two partners of Junding Club, unfortunately died in the kidnapping case. Bayu Sheng (played by Wu Wenjing), the leader of the serious case team, led everyone to investigate the case. When interrogating the surviving victims, a series of doubts were found, including the mysterious person at the scene of the crime, the robbers who did not play by the rules, and the death of the clue character. What is the truth behind the case...