Su Wan's newly decorated bridal room catches the eye of her aunt Wang Cuifen, who wants to borrow it for her daughter Lin Miao to use as a wedding house, but Su Wan refuses on the spot. The reluctant mother and daughter repeatedly cross boundaries, falsely claiming to outsiders that the property belongs to them, and even ruining Su Wan's reputation. Su Wan consistently sticks to her own bottom line, safeguarding her rights legally through installing surveillance, keeping vouchers, and seeking property and legal assistance, making her family see the essence of endless demands, clarifying the boundaries of family affection, and finally returning to a stable life.