Love is always a mistake, and what you thought was a happy ending turned out to be in vain. Lin Qingyue helped her beloved junior high school classmate Zhou Yonghua successfully complete college. When she was looking forward to a happy marriage, she learned that Zhou Yonghua had a girlfriend Yu Ting who was in love with him in college. In the end, Zhou Yonghua chose Yu Ting, who has a Beijing household registration. Lin Qingyue finally returned to a small southern town and looked for another place to stay.