Tracking the Mystery

On July 12, 1981, the county Public Security Bureau received a report: a major murder had taken place in Yucao Village, Shugou Township. In a single night, nine members of the Zhao and Ma families were brutally killed. The savagery of the crime left everyone stunned. Qin Chuan, captain of the county criminal investigation team, was urgently assigned to lead an investigation. But as the case unfolded, things grew increasingly complicated, eventually pushing Qin Chuan and the rest of the investigation team to the brink of life and death. What kind of person could have such powerful backing? What could possibly be worth more than human life?