Two city girls with widely different personalities have been best friends since they were thirteen. Their relationship is tested due to the complications of the heart.
In a small city in the South, the high-spirited An Sheng helps her bashful friend Qi Yue get together with Su Jia Ming, their senior in high school. Su Jia Ming gradually becomes attracted to An Sheng and in order to protect her friendship with Qi Yue, An Sheng joins band singer A Pan in his travels.
Qi Yue and Su Jia Ming grow apart after entering different universities, and their meetings become less frequent and far between. At this time, An Sheng and A Pan end their relationship. She meets a businessman named Han Dong and starts to change jobs in order to make a living. Qi Yue busies herself with wedding planning after graduation, but Su Jia Ming repeatedly blows it off. When Qi Yue visits Su Jia Ming at work, she discovers that he has a relationship with An Sheng. The two former friends meet again in the workplace, but can they still salvage what's left of their friendship?