Meng Zhaozhao and Li Moyun have been close since kindergarten. When Li Moyun moved away in middle school, they were forced apart. Reunited in high school, Li Moyun still dotes on Meng Zhaozhao, and as two top students, they quickly become the focus of their school. But their peaceful campus life is unsettled when an antagonist, jealous of their relationship, appears. The antagonist manufactures small misunderstandings in an attempt to drive them apart, while the countdown to the college entrance exams keeps ticking and academic pressure mounts. Meng Zhaozhao is emotionally scarred because the male lead once left her, while he fears losing her again after their reunion, making them both cautious around each other. The attention and gossip of their classmates also limit their freedom to spend time together. But with their deep bond and firm convictions, they overcome each crisis. As they cope with academic pressure and outside interference, their feelings grow ever stronger. In the end, they get into Peking University and Tsinghua University together, and after graduating from college, they marry and have children, finding their happily ever after.