Shen Yutang time-travels to become a peasant girl, narrowly escaping being pushed into the river and murdered by her cousin. After awakening her portable space, she outwits the biased elder branch and exposes corrupt accounts to fight for economic independence. Facing the crisis of being sold as a concubine, she accumulates wealth with her medical skills and business acumen, helping her younger brother achieve success. Ultimately, Shen Yutang successfully breaks free from family control, counterattacking to become a protector of the country lady and writing a legendary life.