Lin Xiyan, a 38-year-old stay-at-home mother, accidentally traveled back to 1999 on the day she divorced her husband Chen Mo, returning to her 20-year-old college days.
With disappointment in her marriage and longing for the future, she vowed to stay away from Chen Mo in this life, fulfill her dream of being a writer, and spend time with her mother who died young.
But fate twisted her and she met young Chen Mo again. This man who once made her spend her youth now also carries the memory of her past life, with cold eyes, and just wants to draw a clear line with her.
From being disgusted with each other to getting closer step by step, from resenting each other to falling in love again, Lin Xiyan not only found her lost self on the campus of youth, but also gradually saw Chen Mo's tenderness and responsibility hidden in silence.
When she thought she could rewrite her life, she discovered that what she cared about most was the home that was waiting for her in the future...