The story is set in a southern coastal city at the beginning of the 21st century, a bustling metropolis with fierce competition for educational resources. This school named "Yuying High School" carries the expectations of countless students and parents for the future. On the campus, European-style teaching buildings are scattered and modern teaching facilities are available, but there is a strong atmosphere of competition. Students not only have to deal with heavy academic workload, but also face pressure from family, society and other aspects. Various examinations and competitions held regularly by the school have become a stage for students to show themselves, and they are also a cruel battlefield. There are various tutoring classes and stationery stores around the campus, forming a unique educational ecological environment.
Philosophy: Lin Yu and Su Ran entered Yuying High School as freshmen. At the opening ceremony, they got acquainted due to some small misunderstandings and left a deep impression on each other.