In a small town in the south of the Yangtze River, children in the 1980s and 1990s loved to laugh and play in the old streets after school. Bai Li, who is dependent on his mother, arrives in this small town. The residents talk about it and are wary. However, the world of children is simple. Su Luo and many other children make friends with Bai Li with sincerity. As the two grew up, their original friendship changed due to the hormones of adolescence. However, an accident caused Bai Li to move away from home. What kind of life would they have in a world without each other, and what feelings would they have when they meet again as adults? This article is a personal creation, any similarity is purely coincidental and please do not take it personally.