On her first day of retirement, Su Wenqin, an accountant with thirty years of experience, discovers that her 4,200-yuan pension has been forcibly taken away by her husband, Zheng Changhai. She immediately sorts through the accounts and finds out that her husband has concealed this for five years, cumulatively transferring 230,000 yuan in savings to Bai Lijuan, the owner of a floral shop. Zheng Changhai also fabricates debts and plots to seize their housing. Teaming up with her son and daughter-in-law, Su Wenqin steps by step gathers complete evidence, calmly fights back at the mediation scene, successfully recovers the property, guards her own property, and wins back her dignity.