Police officer Hu Xiaoling (Chen Xiaoyi) and her husband, railway police officer Jiang Jianping (Zhang Jiayi), agreed to divorce because of the lack of passion in life. Guan Jun (Sun Honglei), an economic criminal arrested by Hu Xiaoling five years ago, was deserted after being released from prison and his relatives and friends deserted him. Hu Xiaoling was worried that Guan Jun would go astray again, so she asked her mother-in-law Jiang Dama (Zhang Shaohua) to rent a house to Guan Jun. As a result, Jiang Jianping, who was divorced, had to rent another house and move into the home of single mother Guo Fang (Cheng Su). Jiang Dama tried her best to match Hu Xiaoling and Jiang Jianping to remarry, but found that in the frequent contact between Hu Xiaoling and Guan Jun, the two got closer and closer, and finally got married. Shortly after the marriage, Guan Jun's mother (Gao Xiumin) came to visit relatives from the northeast, and the five people in the family had constant conflicts. Guan Jun's cellmate Lao Hu (Wang Shuangbao) was about to be released from prison, and his girlfriend Nicole (Huang Man), who was under the care of Guan Jun, was entangled with the underworld figures who embezzled Guan Jun's company. At the same time, the relationship between Jiang Jianping and Guo Fang is in crisis due to the intervention of Guo Fang's ex-husband. The two new families are faced with challenges one after another...