Ultimate class 11 class 2

What's the relationship between the transferred students in class 11 and class 2 and Yan Yufei? What secrets do they have? Where will these hot-blooded teenagers who are close to the college entrance examination go after graduating from high school? How long can the word "ultimate" in class 11 last? What kind of test will they face? Brothers turn against each other? Who's behind this? Is it love or national hatred? Give me a pen to pry the whole world for you!