Early morning, two gunshots break the peace of Yongzhou city. Li Pingyuan, president of the largest corporation in Yongzhou, is badly injured and his bodyguard is shot to death by a gunman. When Yongzhou police promptly moves to the scene for investigation, Sun Haibin, an entrepreneur whose business is based on a crime organization, is also shot to death. At the same time, a dumped body is found and reported. Several murders in a row shock the Yongzhou administration and provincial leadership in Ministry of Public Security. Therefore, Yan Haidong, captain of the provincial criminal investigation detachment, is appointed to lead the investigation, and a special investigation team of competent police is set up. Confrontation between justice and evil begins...