SWAT police officer Wu Qiang encounters a car accident and shooting on his way to his wedding, and his comrade Lu Ming is shot and killed by a robber. The wedding turns into a funeral, and Wu Qiang is in agony; Later, during his last escort mission as a SWAT police officer, Wu Qiang recognizes that the target of his escort is Cheng Hao, the robber who had escaped on the day of his wedding. Wu Qiang firmly believes that evil can never prevail over good; But at the same time, greater dangers intertwine and a shocking conspiracy by a criminal gang surfaces…