The Wei family has a strict ironclad rule: Sunday lunch must be served punctually at twelve noon. Anyone who arrives late means the entire family has to stand as punishment. The family patriarch, Wei Shouzheng, is stubborn and uses family rules to control his relatives, causing conflicts to erupt repeatedly at home. His daughter-in-law, Tao Jingyi, is clear-headed and decisive, refusing to keep enduring everything and compromising. Her husband, Wei Zhiyuan, gradually awakens through one family upheaval after another. Amid their conflicts, the family begins to redefine the boundaries of family relationships, break free from outdated beliefs, and pursue happiness in their own lives.