Modern woman Jiang Yingqiu accidentally time-travels to 1974, becoming a widowed educated youth with three children. After falling into the water, she obtains a bronze cornucopia capable of duplicating physical objects. To feed her children, she carefully utilizes the treasure to improve her impoverished life, seizing the opportunity to become a brigade elementary school teacher. Afterward, she leads the villagers to legally develop collective fisheries, overcomes numerous conflicts, repairs the school, leads the folks in finding a path to prosperity, strives to put down roots in the rural areas of the seventies, protects her family, and realizes her self-worth.