The sequel will be the continuation of the upper story, tells the story of the bombings that Harbour City paralyzed, Constable Wu Yingxiong meet again in the investigation on the way and tied into a human bomb Xu Dafu, and two are involved in the destruction of the enemy in the plan. The different personalities of Duff and hero once again for justice together, step by step to destroy the enemy's plan to massacre, and ultimately save the story of Harbour City.