He Jianguo (Guo Xiaodong), a rural child, changed his fate with knowledge. He got a good job and married Gu Xiaoxi (Liu Ruoying), who came from an educated family. However, the differences in urban and rural areas and family education backgrounds caused friction and disagreements between them. He Jianguo's brother works on a construction site and hopes to be brought home to make up for the tricks he played in the lottery to decide who would go to college. Jianguo always thought that he had deprived his brother of the opportunity, otherwise the happy life he currently has might belong to his brother. However, Xiaoxi's guilt towards her husband could not be understood. As the eldest daughter in the family, she wanted to have her own world for two people, and she didn't want to marry someone, which was equivalent to marrying his whole family. Xiaoxi's independence made her not very worried about her younger brother Gu Xiaohang falling in love with Jian Jia (Mei Ting), who had a complicated love history. Jian Jia is Xiaoxi's close friend. Xiaoxi does not oppose her younger brother's love like her parents do. Instead, what worries her is that after her mother's death, her father and the nanny Xiaoxia have developed different feelings...