At the Zhong family's New Year's Eve dinner, Mei Jinghua and her daughter have been busy for days, yet are assigned to eat at a side table due to old family rules. A dispute over seating unexpectedly unearths the Zhong family's financial dealings hidden for many years. Faced with long-term advanced family expenses, old house inheritance disputes, and unclear debts, Mei Jinghua produces an account book preserved for over twenty years, gradually clarifying the flow of funds and the responsibilities of all parties.