Lin Dawei (Zhang Jiayi) and Wang Shengnan (Yan Ni) are a pair of happy enemies, and their daily bickering is often hilarious. The accident that their daughter Lin Miaomiao (Zhao Jinmai) was admitted to a key high school caused the couple to disagree on the issue of their daughter's education. The lively and clever Lin Miaomiao has three good friends at school: school beauty Deng Xiaoqi (Wang Yuwen), academic master Qian Sanyi (Guo Junchen) and happy fruit Jiang Tianhao (Jiang Guannan). From the nervous excitement of entering high school to joining hands to cross the college entrance examination, the four teenagers not only faced the college entrance examination in their three years of high school, but also had the crisis of friendship and the troubles of their respective families... After experiencing changes and twists and turns, the four families found their own direction and finally gained growth.