The story revolves around Zhao Yiyi and Xu Jiashu. Zhao Yiyi finally confessed to Xu Jiashu, who had been in love for many years, but started a long distance relationship. They firmly believe that it is a lifetime to survive in a different place. But the natural obstacles of long-distance love test them, and they are clearly in love, but they are constantly absent from each other's life. The appearance of Saihe and the twists and turns of girlfriends Qiao Qiao and Li Tang made Zhao Yiyi feel a lot. The theme of the film is "long-distance relationships", which is itself a common experience of too many people. The topic is very hot, which has caused heated discussions among thousands of couples. This realistic youth story shows the different emotional patterns of young lovers in different places, evokes the audience's memories of love in the young age, and also explores the separation and integration of love with young people.