A group of Lisu people without a registered ID (Hukou) live their primitive life in the mountains by the Nujiang River in Yunnan. In addition to misfortune and hardships, they also have simple happiness.
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.
