Mystery of identity, subtle scratches, Big Brother, Art and Death, Poison of Ingenuity, Mysterious Caregiver, Abandoned Theater, Silent Witness, Midnight Redemption... A vicious case occurred on the high-speed train and it was temporarily stopped. Cheng Yang, Zhang Jingyu and Su Su went to the police with trace inspection personnel, and human tissue was surprisingly found in the narrow high-speed train toilet!
