Recalling the events in high school, our hearts will inevitably feel a little throbbing. Maybe we now know that youth requires courage. The protagonist Lan Jialuo is a poor student, while Chen Yuxuan is a good student. It is between this poor student that the two of them developed a good impression. They paid for each other silently, but in the end tragedy occurred because of the lack of great courage in youth. . . . . .