In 1959, the shadow of famine enveloped the Xiangyang Brigade. The heroine's uncle Wang is faced with the desperate situation of the whole village running out of food because the captain lied about the public grain output. Instead of simply using space supplies for relief, heroine Du pointed out with high-dimensional thinking: "The captain must be replaced!" She teamed up with the security section chief to collect evidence and set up a scheme to bring down the corrupt captain. Later, she used the resources of the machinery factory to develop a "drought-resistant water pump" and "local fertilizer equipment" suitable for rural areas, and led the villagers to rush to plant sweet potatoes and winter wheat during the drought. She used technology to change the land, and also changed the fate of the Du family and the Wang family. Step by step, she developed the machinery factory into an industrial overlord integrating agricultural machinery, chemical industry, and people's livelihood.
