- The story begins at the beginning of the first year of high school in a key high school. The heroine Su Wan is a transfer student with excellent grades but a reserved personality. She accidentally enters the basketball court because she got lost and is accidentally knocked down by the hero Lu Xingci. Their first encounter is full of embarrassment and friction.
- Coincidentally, the two were assigned to the same class and desk. Su Wan's seriousness and quietness were in sharp contrast to Lu Xingci's sunny and outgoing nature. They didn't get used to each other in the early days and often had disagreements over trivial matters.
- After a math class, Su Wan was troubled by a difficult problem. Lu Xingci unexpectedly showed his talent in science and took the initiative to help explain. The relationship between the two broke the ice and they began to have preliminary communication.