The story takes place in a key high school in a coastal city. Lu Xingyuan is a bit rebellious due to his parents' divorce, while Xu Xiaoxiao is a high-pressure academic under the strict control of his mother. Zhao Dapeng and Lin Tiantian each have their own dreams. With the addition of transfer student Jiang Yifan, a subtle chemical reaction occurs in this small group. Together they plan a "midnight escape" adventure, take the college entrance examination together, quarrel, reconcile, laugh and cry for their dreams. In the last days of youth, they experienced secret love, misunderstanding, betrayal, reconciliation and growth. In the end, everyone understood that the most unforgettable days were the days of accompanying each other, and every ups and downs composed the melody of their youth. The style of the book is light and bright, the plot is ups and downs, and it is full of humor and touching.