Qin Yuesha, a girl with a mysterious life experience, was abandoned by her parents and lived with her so-called distant aunt. On the way to school, Qin Yuesha ran into Lin Li, who was also confused about his life experience, and soon began a special cohabitation life with him. As time goes by, Qin Yuesha steps into the fateful web of 20 years ago. When her passionate boyfriend Zong Jun suddenly breaks up with her and disappears, when her best friend betrays her, when the true purpose of Lin Li, whom she regards as the source of happiness and guardian angel, is exposed, and when everyone she cares about leaves her one by one, what kind of transformation will happen to her? What kind of special life experience does she have? When she meets love again, can she find true happiness?