Xu Buqun, a female college student at the Normal University, lives up to her name, stands out from her peers, acts fearlessly, is bohemian and loves freedom. She is a normal student in the Department of Mathematics. She meets Hu Tu, a gentle boy from the Normal University. The two met and fell in love on the university campus, but later broke up due to different plans for the future and incompatible personalities. Later, Buqun met Wei Hexiao, which made him understand his own heart better. Hu Tu, due to a change in his childhood family, wanted to start a teaching career after graduation, but he met a female student Lu Yingying who looked very much like Buqun he had just met. But what kind of outcome would their identities as teacher and student bring...
Buqun's confidant Zhang Ming is sunny and handsome, and comes from a family of teachers. But deep down, like Buqun, he hopes to get rid of the day-to-day teaching career. He has an emotional entanglement with Lin Qing, a talented girl from the preschool education department who is proficient in music, chess, calligraphy and painting. Congcong, a kind-hearted and naive college roommate from Buqun, meets the most outstanding boy in the whole story, Ayan. Due to their family backgrounds, the long-distance love journey is extremely difficult. Can lovers finally get married?
Falling in love, breaking up, graduating, working, meeting again... Through the changes and experiences in life, several normal school students finally understood the value of their own existence and that of teachers.