Ordinary girl Su Wan gets into Xinghua University, where she accidentally picks up the notes of Lu Zhiyan, the aloof top student, and is rescued by Shen Yu, the sunny campus heartthrob. The three become bound together through a volunteer activity. Caught between his sharp words and hidden tenderness and the other boy's openly doting affection, she is torn, only to discover that every first meeting is really a reunion after a long separation. The bonds of childhood come to light, and in the warmth of their mutual protection, she will eventually become her own source of light.
