17-year-old Xiao-nan turned to her best friend, the guitarist Yu-guang, to help her win the affection of Zi-jie, whom she had a crush on. Together, they participated in a musical audition, and everything seemed to be going smoothly. However, during the audition, Xiao-nan realized that the person she truly loved was Yu-guang himself. Despite having beautiful memories together, they missed the chance to be with each other. Now, as time has passed and they are grown-ups, Xiao-nan is faced with the love of her youth. Will she bury her feelings in memories, or will she muster the courage to listen to her inner voice?