Mu Xiaoxiang is an ordinary student in a small county town. He was admitted to a municipal high school and met Lin Xiao. He was sunny, cheerful, warm and gentle, and brought a lot of warmth to Xiaoxiang. But fate plays tricks on people, and a huge change brings the two of them to an ending that was not theirs. The story takes place in the student period and ends in the student period.
Concept: Life is like a train, some people may never be seen again when they get off.