Shirley Lau, a mother-in-law, endures disdain from her eldest daughter-in-law. To seize the old house benefits, the daughter-in-law forces property division and sues her in-laws for demolition compensation. Unbeknownst to her, Shirley secretly saved over 500,000 yuan, and the old house, with millions in demolition compensation, is solely in Shirley's name. Shirley counterattacks, foils the daughter-in-law's schemes, defending her family and dignity.