Granddaughter-in-law Su Zhiyuan marries into the Lu family and faces the family's twisted house rules: every meal must be repeatedly called out to Grandma eight times before they can start eating. Mother-in-law Xu Huilan has suffered from a hoarse voice and endured days because of this for years. Su Zhiyuan, with a straightforward personality, is unwilling to let the elders be consumed by rules, resolutely breaks old customs, and triggers intense family conflicts with the strong-willed grandma. Husband Lu Yu breaks free from the shackles of blind filial piety and firmly stands on his wife's side. After arguments and pressure from relatives, Xu Huilan pours out years of suppressed grievances and also unveils the deep longing for her deceased husband behind Grandma's obsession. The family resolves their estrangement, abolishes the morbid house rules, and the eldest uncle's family returns for a reunion New Year's Eve dinner, understanding and forgiving one another to achieve harmony bringing prosperity to everything.