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.
A group of students are at a crossroads in life preparing for the High School Entrance Exam, and most of them are left-behind children. Can they get good grades to change their own destiny?
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.
