Agronomy student transmigrates, becomes poor village girl, jilted! Tormented by greedy relatives, war, she refuses her fate. Moves to deserted village with siblings, builds water wheels, improves farming tools, grows potatoes, turns barren Gobi into granary. Mockers beg to work, former fiancé regrets. Rises to become the only female city lord of Great Ning Dynasty, giving dignity to widows, ensuring food for village.