Li Shiyan and Zheng Rixun are best friends since childhood. They live next door, grow up together and now attend the same high school. They almost spend twelve hours a day hanging out together. Gradually both of them harbors a secret crush upon each other, though neither dares to confesses nor make the first move. As a heartthrob in school, Rixun is always badgered by girls wherever he goes, while Shiyan also bumps into guys every now and then, soon some misunderstanding occurs…