A Dream to Walk Out of the Mountains

It tells the story of a rural child's arduous journey to school. In this poor mountain village, generations of people have a dream: to send their sons out of the mountains that have bound generations. Several generations of people have been living hard for this, but they have never been able to realize this dream because of the poverty of their families. Finally, the "dad" generation has completed this "mission", and "mom and dad" have also paid a lot for this dream...