Lin Bei Xing is about to get married, but she is betrayed by her fiance Zhan Yu. While reminiscing about her past with her old mobile phone, she accidentally starts a magical journey through time by deleting text messages and returns to her high school days. Lin Bei Xing decides to seize this opportunity: start over, change her past self that was once fascinated by Zhan Yu, and study hard to finally become successful in life. (Source: Baidu, MyDramaList)