A series of bizarre murders occurred one after another, and the strange symbols left at the scene pointed to an unknown conspiracy. A specially formed investigation team traveled through the shadows of the city and the ruins of the countryside, piecing together clues from forensic reports and surveillance blind spots, trying to uncover the multiple layers of truth hidden under the bloody murder. When the secret connections between the cases gradually emerge, is a more complicated puzzle waiting for them, or is it a trap that has already been laid?
