Jiayi is a left-behind child who has to endure the bitter taste of separation from parents. However, she still has to forget sadness and grows up in pain and joy with her brother.
In southwestern Hunan, many people mine illegally for a living, and many miners develop pneumoconiosis. After the illegal mines are shut down by the government, their road to misery begins.
This documentary is about a school in the mountainous area of Hunan and focuses on left-behind children in three families. Due to contradiction between backward rural appearance and urban development, the fate of the three generations interwoven together.