police officer wang laoshi (played by ding yongdai), a police officer in a southwest city, has always been resentful of the bank thief liu chuan (played by huang jue), who escaped five years ago, and vows to catch him with his own hands. bbb。 liu chuandong hid in the city for several years. for the sake of his daughter, he sneaked back to the small town again, but met officer wang unexpectedly. the two people started a life-and-death pursuit. just as wang laoshi captured liu chuan, the earth shook and the whole city collapsed. for convenience, liu chuan, who woke up, changed into wang laoshi's police uniform, but he did not expect that this police uniform made him trapped in rescue and could not get out. the rebellious girl qin xiaoxiong (played by ruby lin) felt loving because of liu chuan's courage. as the rescue deepened, liu chuan seemed to have forgotten his true identity and regarded himself as a policeman for a while. the appearance of police officer wang laoshi broke his dream. however, wang laoshi's hand was handcuffed by liu chuan when he escaped, so people mistakenly thought of as a criminal. at the critical moment, the two of them temporarily put aside their grudges and worked together to rescue them, but they had their own thoughts. on the ruins of the city, the "cat and mouse game" between the police and the criminals is still continuing...