Mei Zhu is a real estate agent. After she divorced her ex-husband Xiao Lu, she reorganized her family with her daughter. The current husband, Lao Xie, is simple and kind, and treats Mei Zhu's daughter, He He, as her own. The originally peaceful family was suddenly broken, and Hehe was diagnosed with leukemia. Because no suitable stem cells could be found, the doctor suggested that Meizhu give Hehe another brother or sister with the same father and the same mother, and use their umbilical cord blood to save Hehe. Meizhu was very embarrassed, and her ex-husband Xiao Lu was also at a loss. Lao Xie and Xiao Lu's current wife, Dong Fan, strongly disagree. After a painful ideological struggle, the four finally agreed to allow Meizhu to conceive through IVF. However, after three IVF failures, the doctor regretfully told them that pregnancy through IVF would not work. In order to save their daughter, Mei Zhu and Xiao Lu decided to conceive naturally without telling their spouses. The divorced couple have become physical again after suffering for their child. Lao Xie learned of this by accident, for the sake of love, he chose to remain silent