Lin Wenle, 22 years old, retired special reconnaissance soldier. His father was a criminal police officer who was killed ten years ago while tracking down a transnational smuggling syndicate. After Lin Mu retired from the army, he returned to his hometown of Jiangcheng and found that the smuggling group had penetrated into the local underground order and became a semi-legal "security group." He decided to infiltrate the investigation in his personal capacity and avenge his father.