Modern medical student Meng Wanxing air crash time travel, fell in Jingxia great famine year, became peasant household Zhou Jingming's wife. Husband from army severely injured paralyzed, great drought swept village, original owner bad record tied up, Zhou family trapped in desperate situation. Awaken god-tier exchange system, she finds underground water to rescue whole village, with medical skills cures husband, gathers herbs to make a living, smartly fights extreme neighbors. She enters city expands business, opens medicine shop, sets up grain shop, relieves refugees. Zhou Jingming recovers and gets up, becomes her most solid reliance. In desperate situation two people first marriage then love, hand in hand open up wasteland and establish enterprise, in famine bottom layer struggle out a warm and thriving home.