Five years ago, after Gu Zi was rejected by her beloved senior brother, she got drunk and accidentally had a relationship with Chen Qiao. Because she was so drunk, she mistakenly thought she was with her senior brother. Chen Qiao wanted to explain but missed the time. She thought she had taken emergency contraceptive pills, but found out that she had taken the wrong pill, which led to her accidental pregnancy. The doctor told her that the uterine wall was too thin and she would not be able to have children if she had an abortion. After thinking about it, she dropped out of school to give birth to the child, and with Xia Yu's help, she still got her diploma and the job he offered. Five years later, she couldn't bear the blind date arranged by her father, so she returned to the city with her son, and accidentally met Chen Qiao during a shopping trip. Gu Zi gradually gets closer to him because of his constant pestering and childish behavior. For the sake of his son's healthy growth and the wishes of his parents, Gu Zi accepted his fate and married him. After the marriage, Chen Qiao felt her indifference and came home late many times to explore her feelings. At this time Guzi's senior brother appeared...