Su Nuanzhi, who lives in a single-parent family, accidentally went back to when her mother was eighteen years old. So, Su Nuanzhi set a goal for herself, to go to school with her mother, to help her parents fall in love and prevent them from breaking up! A thrilling campus plot unfolded; but what Su Nuanzhi did not expect was that she would fall in love with the talented piano boy Li Feiyue... Li Feiyue: If I could go back to the time we lost, I would hold you tight and never let go.