The story of the two railway life that changed because of the college entrance exam, the change in the protagonist's life, the initial determination, the persistent study of spirit and unity, improving life and changing the future.

The story was from 1989 to 2012, during the reformation and opening period, through the struggle of the old, middle, and young generations. With science and education as the foundation of the story, with the National Education Program's Tenth Five-Year Plan, the People's Republic of China's Occupational Education Act, and so on as the blueprint, Through educators, railway leaders, and progressive young people, the scene of continuous struggle in the reform and opening of the country reappeared, depicting a picture of the older generation of railway and educators in China, and the young people in towns and towns fighting for the prosperity of the country. With the rare railway and education as the double storyline structure, China's plan was to be made up of three generations of people. In close to seventy years, in 2050, the dream of a century's revival was realized.