Going Counterclockwise

The former top special investigation team, codenamed "Sin", was wiped out in an operation. At the scene of the incident, the only survivor was arrested and imprisoned... Five years later, many serial murders occurred in West China City. In desperation, the leader of the crime team, Lu Ye, asked Jian, who was serving his sentence in prison, to solve the case. In cooperation with the crime team, he quickly identified multiple suspects and launched an investigation. At the same time, he started a contest with the forces behind it, and Jian's purpose was not just to solve the case...