Chun Lan has been a devoted housewife for over twenty years, but one day she discovers that her husband, Old Yang, has secretly married another woman, Zheng Xiao, and her children are already close to her. Yang Fei claims the marriage was to fulfill Zheng Xiao’s wish due to her illness and insists that the lack of a marriage certificate doesn't matter. At the hospital, Chun Lan learns she is pregnant with a boy after years of IVF. She plans to reveal the pregnancy, clarify the marriage certificate issue, and surprise her family with a ten-billion-dollar inheritance on her birthday. However, when she arrives early for the celebration, she overhears Yang’s family celebrating Zheng Xiao’s birthday and their wedding anniversary, leading to an inevitable family confrontation.
