In the summer of their seventeenth year, aloof top student Lin Che and gentle art student Shen Yufeng grow close after an accident. They fall in love over sketching in the art room and sharing earbuds on the rooftop. But family opposition and youthful pride turn a misunderstanding into a bitter parting. Lin Che pushes him away with cruel words, and Shen Yufeng disappears with a broken heart during graduation season. Years later, they meet again at university. Lin Che awkwardly tries to win him back, while Shen Yufeng keeps his guard up because of the wounds of the past. When the fog of misunderstanding finally clears, they learn to mend what was broken with a more mature love, turning the regret of that summer into a happiness that lasts year after year.
Theme: Through the emotional struggles of a couple from adolescence to adulthood, this story shows the importance of communication and cherishing one another as we grow. It conveys the belief that true love can cross time and misunderstanding, and be reborn through reflection and change.