In the late 1960s, college students from Beijing and Shanghai took root in Liupanshan area and devoted themselves to education. He Yi bought books for children and told them that if they want to be filial to their adoptive parents, they must study hard. She enlightened Zhou Haitao, who was about to be sent to juvie by her father, and made him understand the truth of filial piety. Then she studied hard and went to college. After graduation, she went to sea to start a business, and her father's ambition was to go back to his hometown to build factories and build roads. In the early 1970s, Aunt He left white flour for her grandmother. After grandma died, she entrusted her 13-year-old son to raise her. Fan remarried and was disabled at work. The eldest daughter smiled and took her to college to get married. The youngest daughter, Hui Hui, studied in Germany and the United States, and is currently the director of the business department of a company. He Yi and others interpreted the vivid and touching story that "filial piety" is the source of wisdom and life.