Baby soldiers keep healthy backstage. In order to survive, they do everything they can and are cruel. Life and ronin are orphans. They have deep feelings and are commensurate with brothers and sisters. However, six months ago, in the robbery of an armored car, Sheng was betrayed by the black police and lost a huge sum of money and three brothers. Health care vowed to find out the black police behind the scenes, and at the same time recover the stolen money, we should also avenge our brothers.