On a cold Valentine's Day, a girl Xiao-Hua runs into a boy A-Wen who is waiting for his lover. Out of empathy, Xiao-Hua hands A-Wen a cup of hot milk tea. The two get to know each other since. On the same day, Zi-Jie Huang also bumps into Xiao-Hua. Zi-Jie behaves like a jolly charming womanizer, which makes Xiao-Hua uncomfortable. There are already frictions between the two at the first sight. Xiao-Hua is convinced that A-Wen's lover must be Yi-Chun, known as Butterfly. Out of surprise Xiao-Hua discovers Yi-Chun cheats on A-Wen with Zi-Jie. She feels even more sympathetic to A-Wen. Xiao-Hua later realizes that Zi-Jie never gives his heart to anyone, because he could die at any second. After Zi-jie confesses to Xiao-Hua his love for her, Xiao-Hua’s ex-boyfriend Shao-Ping unexpectedly reappears and stirs up her peace. When Xiao-Hua finally admits her feeling for Zi-Jie, Zi-Jie is ill. Winter is coming to end, will there be a happy ending at the end?

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?