If Li Xiaobei had only thought that Cheng Yuan was a joke that day, her life might have had a different start, but she accepted the proposal. After experiencing two lost and found things, she thought that she and Cheng Yuan could reach perfection. She traveled back and forth between the two people's cities. The distance of 1,540 kilometers was slowly consuming the trust and loyalty between lovers. She was unable to bring back Cheng Yuan who crossed the emotional boundary again and again, and ended it all with layers of pain.
Concept: There is no right or wrong in the love of youth, it is a trace on the road of your life.