Miss Gao from Shuiquan Primary School wants to go home and visit her seriously ill mother. The village chief asked Wei Minzhi from the neighboring village to give her a month's class. Miss Gao sees that Wei Minzhi is only thirteen or fourteen years old. He can't teach and doesn't want it. The village chief said it's not easy to find such a person. She can look after the baby for you. Let her make do for a month until you come back.

There used to be thirty or forty students in Shuiquan Primary School, and only 28 students remained each year. When Miss Gao left, he repeatedly told Wei Minzhi to pay attention to all the students. Wei Minzhi asked students to copy the text all day and count the number of students every day. Whoever wants to drive the students away is anxious, and even the village head won't listen. The students don't listen to her when they don't attend class, and some even deliberately make trouble with her, making the classroom messy. She didn't care, just kept at the door of the classroom and didn't let go until the time.

10-year-old Zhang had to go to school to work in the city because her family was unable to repay her debts. Remembering the exhortation before leaving, I was determined to get Zhang back. She inquired about Zhang's residence in the city, so she set foot on the road to the city alone. Thirteen-year-old Wei Minzhi began to search in the vast sea of people. ...