This is a sweet love story that focuses on "young women × campus". It tells the story of Su Yao, a mature young woman who has experienced marital setbacks, and Lin Yu, a young high school student who became connected due to an unexpected encounter. Lin Yu was deeply attracted by Su Yao's gentleness and intellectuality, and bravely pursued love regardless of the age gap; Su Yao, under Lin Yu's pure and passionate protection, gradually let go of her past defenses, but she also struggled due to her identity and the outside world's eyes.
From campus to society, they work together to overcome obstacles such as family opposition, public doubts, and entanglements with their ex-husbands, and grow together amidst misunderstandings and reunions. In the end, this love that broke the worldly prejudices ended successfully with a two-way wedding, interpreting the sweet core of "age is never a barrier to love, sincerity and protection are the eternal answers"