Short script. Remote mountain towns. At the foot of two steep mountains, there is a row of houses built along the road. On a property near the river, there is a recently completed bungalow Sihe Campus. As soon as the bell rang for class, a small number of primary school students walked into the school gate. The students all greeted the old man in the wheelchair. The old man is Zhu Changan, the principal of the school.
