Meng Na confesses her feelings to the boy she likes, only to have her love letter accidentally end up in the hands of the campus troublemaker, Shen Nanyuan. To prevent the contents of the letter from being exposed, she is forced to comply with his demands. At the same time, Meng Na's mother informs her that the second floor of their house has finally been rented out, only to find out that the new neighbors are none other than Shen Haotian and his son, Shen Nanyuan. With these old foes now living next door, Meng Na is not only bullied at school but also unable to find peace at home. As time passes, the sparks fly between these two middle-aged individuals, and love begins to blossom...