East ring the Municipal Public Security Bureau case team is celebrating the "Qing nets action" great victory: will a negative case escaped years of suspects arrested capture. Suddenly learned that dramatic murder, a police attack by criminals to seriously, guns and bullets on the body is. Public Security Bureau immediately dispatched a team to solve the serious cases, the higher authorities also sent high forest deputy director criminal investigation to supervision. Gaolin jointly with captain Hong Shunda and heavier case team moved station Xuyi policemen as composed group. This three people are the police students, life there have all kinds of connections with contact. They overcame all kinds of misunderstandings between each other's life, and the battle of wits, after a lot of investigation, Xu Yi found the criminal Sun Zhijun's father had been his father catch in prison, sure this is its revenge. Three people and the ad hoc group immediately to the sun on the hunt, the battle of wits between the many times, will the mountains under siege in between, the fierce gunfight, near retirement laoding policemen are in a pinch to protect Xu Yi shot sacrifice. Finally, Xu Yi Sun Zhijun killed himself, successfully cracked the case.