Tian Xia, a 30-years-old furniture designer, is torn between her ex-boyfriend Zehao Xu, a design company owner, and her current boyfriend Xin Guan, a cosmetic surgeon. As Zehao Xu persistently tries to rekindle their relationship, Tian Xia's feelings for Xin Guan begin to waver. Meanwhile, Xin Guan reconnects with his orphanage "little sister" Xi Lu and their bond grows more complicated. The story explores the emotional struggles of a woman at 30, navigating love, past and present relationships, and life's pivotal decisions.