After Shen Zhiyi of the Shen family married Chen Zhiyuan, she suffered harsh treatment and bullying from her mother-in-law, who even brought a distant cousin home to recuperate and wait for childbirth. On the day of her delivery, Shen Zhiyi saw through the whole truth and, together with her arriving mother Shen Peilan, endured and laid out a plan. At the child's full-month banquet, she exposed his identity and struck back on the spot. In the end, Shen Zhiyi won the divorce lawsuit with evidence, Chen Zhiyuan left with nothing and returned home in disgrace, the related villains each received punishment, and she reclaimed her custody rights and control over her life.