Wu Yu is a student with perverse behavior. He has had countless fights, contradicted teachers in school, and behaved wantonly. Disdainful of learning. After failing the college entrance examination, he was forced by his parents to continue studying at the provincial key middle school where he had studied for six years. In the repeat class, he met Douzi, a girl who was once in his class.
Douzi has a fragile and willful personality, while Wu Yu is used to going his own way, so the two of them have always been performing a farce of happiness and sadness, separation and reunification during their long re-reading life. Over time, due to long-term minor conflicts, a gap gradually developed between the two, and a brief cold war began.
Because Douzi's mother suddenly fell ill, Douzi was immersed in pain. In order to help Douzi, Wu Yu got back together with Douzi.
Zhang Fei was once a ruffian in No. 4 Middle School. After the college entrance examination, he also came to No. 1 Middle School to repeat his studies. Then he met Wu Yu. Both of them are extremely arrogant, and they formed a hatred when they first met...
Douzi asked Wu Yu to be admitted to the same university as him, but at this time Wu Yu agreed to attend Yanshan University in Qinhuangdao, the girl he fell in love with. On the one hand, Wu Yu was preparing to go to Qinhuangdao, but on the other hand, he felt sorry for Douzi. When Wu Yu was at a loss what to do, Zhang Fei was injured in a group fight. In order to avenge Zhang Fei, Wu Yu recruited his buddies who were studying in various cities. At the moment of tension, the old gangster Dong Ge who Wu Yu had followed came forward and settled the matter...