It is said that Deney's works are adapted from a true story.

The film tells the story of a seven-or eight-year-old girl who takes care of her single mother who is ill in bed and cooks for her mother every day. Young children do decent work, sometimes sitting by the fire, eating and reading. Because the family is poor, the rice in the bucket is almost gone. She collects waste bottles every day and sells money to treat her mother, and calculates the difference in medical expenses every day. Every time she gets the money, she will be very happy. The little girl often draws her height on the wall, hoping to grow up quickly. Although more and more money is saved, after all, only a small part can be saved every day. Finally, one night, the little girl heard her mother's cough and knew that her mother's condition had deteriorated. When she got up early the next day, the little girl seldom put on brand-new clothes, washed her face and arranged her hair. After seeing her mother for the last time, she came to the west of the village and found a trafficker who was working in the field and had just been released. She raised her little face full of tears and said with tears, "Uncle, sell me. I still need 1800 yuan to treat my mother." Traffickers are silent. ...