Isa Yasan is a simple and kind boy from the countryside in Xinjiang, China. His mother is sick. She cannot talk and always wanders away from home. Isa loves his mother deeply, and is torn between guarding her and going to school. His best friend Kalbinur is a lively little girl. They take care a lamb together. From the grape yard to the poplar forest and to the desert, they are always bounded together. Kalbinur and her brothers’ grades are bad, so her mother wants to move to the city and make them focus on the study. Meanwhile, Isa’s father decides to send Isa’s mother to a nursing home. When the season is over, they will have to learn to say farewell to their beloved.