Car theft cases in Jiangzhou City have occurred frequently in recent years, seriously endangering the safety of people's lives and property.Tu Yong, deputy captain of the Anti-Pair and Thieves Brigade of the Municipal Bureau, led the team to investigate and arrested members of the car theft gang, but Tu Yong realized that there was still a whole chain of interests hidden behind it.

At the same time, a female tenant, Chen Lu, moved into Tu Yong's rental house, and opened a new inconspicuous mahjong hall near the rental house.As the case progressed, Tu Yong discovered that a child kidnapping and murder case ten years ago was closely related to the senior executives of the car theft gang, and the mother of the victim was Chen Lu.

As a grassroots policeman, Tu Yong experienced the dual crisis of his family and career, and finally eliminated the entire car theft gang, put an end to the kidnapping case, and his family returned to happiness.