Lin Yu is an ordinary criminal policeman in Qingyang City, full of passion, but gradually feels confused in complicated cases. During a hunt for a thief, he accidentally triggered the mysterious police system. The system's mechanical voice sounded in his mind: "Welcome to bind to the police system. This system will assist the host in maintaining urban security. By completing tasks, he can obtain ability enhancements and special props." Lin Yu thought it was an auditory hallucination at first, but the system interface emerged clearly, and he realized that this was an opportunity to change his police career.
