This story happened somewhere in Yunnan China. Postman Ruo Zhang found a letter in a corner of his office. This letter was from 20 years ago and had never been delivered. The receiver Man Yanchun was a girl for sure. Ruo Zhang started to look for this receiver with a little help from the police. Chinese people are undergoing a great social transformation. It changed a young man’s memories of love and his values. Beautiful dreams of love and complicated human natures are the main elements of this story.