When she first arrived in the courtyard house in the 1960s, she faced the prying eyes of neighbors, the hard work of her parents, and the problems of feeding and clothing her brothers and sisters. The system is quietly bound, like a ray of light cutting through the chaos - knowledge, materials, and future trends are all accessible, but at the cost of wisdom and courage. She grows vegetables in exchange for food stamps and exchanges money on the black market; she helps her father solve technical problems, allowing the family to gain a foothold in the precarious situation. But her brilliance also attracted the cold eyes of Aunt Zhao and the covetousness of the Xu family. Rumors spread around the courtyard like snakes.