On New Year's Eve, Shen Xi is pressured by her in-laws into signing a marriage agreement that splits expenses equally. Immediately afterward, her in-laws move their entire family into the marital home funded by her parents, expecting Shen Xi to cover all household chores and expenses. Shen Xi returns to the workforce and establishes her footing. While auditing the household accounts, she discovers that her husband, Li Ming, has secretly been supporting another woman and her child. She gathers all the evidence, settles the debts owed by her in-laws, and resolutely divorces him. Refusing his attempts to reconcile and continue harassing her, she finally understands that true female independence means having the courage to say no to unfairness and manipulation.