After twelve years of marriage, Su Jin has long known that her husband, Chen Weidong, has another partner and has made a will leaving his assets to the son born outside their marriage. After Chen Weidong suffers an accident that leaves him quadriplegic, Lin Xuan arrives with the will to claim money, her mother-in-law pressures her to divorce, and her brother-in-law covets the company. Su Jin maintains her husband's treatment and care while protecting her daughter's rights. Using financial records she has kept for years, she investigates suspicious funds and lawfully takes part in running the company. Refusing to trade her marriage and caregiving for benefits, she settles old accounts and regains control of her own life.