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?
Chi earned her American dream after persevering with her studies in Taiwan. Following her grandmothers’ death, Chi returns to her family on Happiness Road, where she begins to feel nostalgic about her childhood and starts to contemplate the meaning of “life” and “home”. What is happiness? Will Chi find her own happiness?