Lu Xiao and Meng Yao, classmates at a university in Jiangnan, fall in love at first sight. Yang Yu, who has long pursued Meng Yao, shares a close bond with Lu Xiao over their love for basketball, while Zhu Na passionately chases after Lu Xiao. As these relationships unfold, a mysterious figure quietly intervenes, sparking a series of events that entangle them for the next twenty years.

Is the person you least want to miss still by your side? After failing to drift in the north and frustrated in love, Qin Huasheng returned to his hometown Chengdu. He unexpectedly met with Lin Wen, who was also emotionally hurt, and gradually the two got closer because of similar experiences.