Li Xiaoyue quarreled with her mother Chen Jing over her college entrance examination aspirations, and accidentally traveled to 1988 where she met her young and fashionable mother. She stayed under the pseudonym "Cousin" and witnessed the mark of the times in public bathrooms and whole grain breakfasts. She also witnessed her mother's dream of preparing for the night college entrance examination and the grievance of being looked down upon by Wang Zhentao's mother. Xiaoyue relied on modern knowledge to help her mother, teamed up with Li Weiguo to resolve the crisis, and witnessed her mother getting admitted to Ye Da University and choosing true love. After returning to modern times, she reconciled with her mother and determined to draw this past event into comics to pass on the love and understanding that spans time and space.