Children in poor rural areas want to change their fate and jump out of the "farm gate", but Juanzi, who graduated from college, resolutely decided to return to her hometown to be a rural teacher and contribute to the construction of backward hometown, which shows that she is a passionate young man with a sense of mission and responsibility. She loves her hometown, never forgets her roots and is ambitious. On the one hand, the image of Juanzi sets off her teachers, at the same time, it shows the extension of the love of "rural teachers" from generation to generation, and also sets up a mirror for those who only strive to change their personal destiny.