Chen Yuan, a travel guide who graduated from college, and Lin Wei'an, an heiress who returned from England, met and fell in love by chance in a Tibetan hospital. They run for love in both directions, but they can't overcome the reality gap. When she got along with the sweethearts of similar family background, she gradually realized that the initial heartbeat was actually a beautiful misunderstanding. In the end, she recognized her heart and joined hands with her lover, who had always loved her deeply, to turn the chapter of youth into a pillow story for her daughter.