Su Wan has 280,000 yuan in premarital dowry money, officially notarized in her name. After marriage, her mother-in-law, Zhang Guixiang, conspires with her blindly filial husband, Chen Kai, to take the money and buy a house for her younger brother-in-law, Chen Lei. Su Wan pretends to comply while secretly gathering evidence. When her in-laws throw tantrums and make trouble, she fights back step by step, using evidence and the law to secure a successful divorce. Her greedy in-laws are left to suffer the consequences of their own actions, while she begins a new life of her own.