Shen Zhiyu comes from an ordinary family. Her parents run an internet cafe, and her two brothers each have their own livelihoods. Diligent and eager to learn since childhood, she entered a key middle school as the top student in the city, and won second place in the National Olympiad in Mathematics, supporting each other and growing together with classmates Yang Susi and Wang Xiaoning. Although her family does not understand education, they guarded her in studying and chasing her dreams with simple love. In the end, Shen Zhiyu was admitted to the Tsinghua-Peking Youth Class, changing her destiny with knowledge, also helping those around her out of difficulties, and repaying her family and society.