The deputy director of the Nancheng Police Department and head of the Jiang family. He is directly involved in the investigation and interrogation related to the He family's collapse. He possesses conclusive evidence of the He family's crimes, including blood-related offenses, and views their downfall as beneficial for Nancheng. He is exhausted from overnight work and restricts sharing case details with his son Jiang Ziyan due to ongoing investigations.
