Qiao Xing, a girl from a remote mountain village, earns admission to the County No. 1 High School. However, because her family cannot afford the ten yuan in monthly living expenses, she is forced to give up her studies. Her homeroom teacher, He Wenzhao, rides more than ten miles along mountain roads to reach her, gives her all the fifty yuan he has, and protects her dignity under the guise of an "investment agreement." Years later, Qiao Xing becomes the president of a publicly listed company and spends ten years searching tirelessly for her beloved teacher. But she discovers that the man who once lied to her, saying he had grown tired of minced pork steamed egg, is now lying in a hospital bed, signing a form to refuse further treatment. This time, it is her turn to invest in the rest of his life.