This drama tells the story of female special police officer Sheng Nan who, while attending a jewelry exhibition, encounters bandits who rob jewelry and take hostages. As a female special police officer, Sheng Nan overcomes various difficulties and, with the deployment of the bureau leadership and the cooperation of the team members, relies onWith strong tactical and psychological qualities, he fought back in mysterious traps and assassinations like a sharp knife and armor, fighting with all his might and precision, ultimately crushing the conspiracy of international financial criminals and capturing themA story of catching all in one net.