There is always someone in everyone's heart. Even if they are never mentioned, that person's appearance will never be erased.
Sixteen-year-old An Fan met seventeen-year-old Luo Zhiming, and from then on her youth was marked by his mark. With him in ordinary days, every day is extraordinary. Maybe there is a better person, but he is the only one who can make her heart beat, and only he can make her heartache.