Li Guifen, a rural mother who has been widowed for thirty years, raised her three sons to adulthood through years of hardship and sacrifice. On her fifty-fifth birthday, the legal director of a publicly listed private pharmaceutical company arrives at her door to inform her that the founding shares held by her late husband, Zhou Limin, as a key technical contributor thirty years ago, have finally been audited and settled. Including principal, interest, and dividends from the company's IPO, the total amounts to exactly 12 million yuan in cash, plus two fully furnished apartments. Upon hearing the news, her usually distant eldest son, Zhou Dashan, immediately arranges an extravagant birthday banquet, hoping to claim the entire multimillion-yuan settlement for himself.