This film tells the story of how criminals in Angcheng developed a black cybercrime industry chain through online fraud and violence. Ma Xudong, who returned to China to look for his daughter who was deeply trapped in "online loans", teamed up with the police to fight a life-and-death game with the criminals. In the end, the father and daughter were reunited, the crime was eradicated, and justice was served. The film is adapted from many real cases.