After graduating from junior high school, because his family was forbidden, A Yuan (Wang Jingwen), a 15-year-old rural boy, gave up his studies to work in Taipei to taste the hardship of life for the first time, but still worked hard for his ideal. A year later, Ah Yun (Xin Shufen), A Yuan's childhood lover, also came to Taipei and learned that the reality of Taipei and A Yuan Xin Li described are two worlds. But the difficult environment does not diminish their happiness, because they have each other. When Ah Yuan was doing military service, Ah Yun, who was alone in Taipei, didn't feel very lonely at first because of the letters that arrived every day. However, for a long time, the paper complaint of distant lovers is no better than the whisper of a living boy in real life, coupled with the fear of the future, A Yun chose to marry another woman before A Yuan left the army. Although there is sadness, A Yuan can only choose to suppress it.