1995year，Jichun City, Northeast China，Two bandits wearing sackcloth hoods killed several people and robbed huge sums of money，There are no live mouths left at the scene，The method was so vicious that it frightened the whole city。The police chief ordered the criminal investigation captain Zhang Zhen to investigate the case。He has long since retired“Jianghu”Zhao Hongbing for many years was killed because of his comrades-in-arms，It was decided to join forces with Zhang Zhen, the captain of the criminal investigation, to recover the blood debt for the sacrificed comrades。