This film tells the story of the brilliant detective Huang Mingjin and the criminal mastermind Wei Yunzhou. It revolves around the core secrets of a mysterious and sinister city, unfolding multiple confrontations and life-and-death struggles. Numerous police officers come forward one after another, while countless criminals are drawn to the city. Some risk their lives to safeguard peace, while others face mortal danger to break the criminal network. As the veil of crime is gradually lifted and the hidden web of deceit emerges, the police and ruthless criminals must make their respective choices in the process of punishing evil. What awaits them is not only a test but also a trial.