Lin Dawei and Wang Shengnan are a bickering couple whose daily squabbles never fail to make people laugh. Their daughter, Lin Miaomiao, unexpectedly gets into a prestigious high school, stirring up disagreements between her parents over her education. Lively and quick-witted, Lin Miaomiao has three close friends at school: campus beauty Deng Xiaoqi, top student Qian Sanyi, and class clown Jiang Tianhao. From the nervous excitement of starting high school to facing the gaokao together, the four teenagers spend their three years at school dealing not only with the college entrance exam, but also friendship crises and troubles at home... After experiencing setbacks and upheavals, all four families find their own way forward, and ultimately grow along the way.