In the autumn of 1965, Lu Mingyuan, an educated youth, came to Liuhetun in the north to join the production team; he came from a scholarly family but had no strength to tie a chicken. On the first day he carried water and threw the team leader's vat; the village girl Yun Xiuzhi was the most aggressive girl in the production team, and the two had a feud over a misunderstanding about sharing grain; the team leader arranged for Lu Mingyuan to Living in the wing of Yun's family, Yun Xiuzhi was forced to teach him farm work and bickered every day; Lu Mingyuan found out that Yun Xiuzhi had peeked at his "Xinhua Dictionary" and secretly practiced calligraphy, and his heart softened; Lu Mingyuan rescued a child who fell into the water during a heavy rainstorm, and Yun Xiuzhi's view of him completely changed; Lu Mingyuan used scientific methods The law improves corn cultivation, and the output exceeds that of the old farmers; Yun Xiuzhi takes the initiative to help him make shoes and socks, and the relationship between the two heats up during labor; the commune cadres come to inspect the night school, and Lu Mingyuan cleverly manages to keep the literacy class; Yun Xiuzhi is betrothed to a veteran by her parents, but she refuses, and Lu Mingyuan steps forward Lu Mingyuan gave up the opportunity to return to the city and decided to take root in the countryside; the Cultural Revolution storm swept through the village, Lu Mingyuan was criticized because of his family background, but Yun Xiuzhi never left him; after his rehabilitation, he promoted household joint production contracting and led the whole village to become rich; the two worked hand in hand until they grew old, sowing the seeds of knowledge into the yellow land.