In an ordinary high school in the unknown second-tier city 'Xinghai City', Lin Xinghe, Yu Qingkong and Zhou Qiyuan formed the "Galaxy Trio". They experienced the heavy academic work, complicated friendships, young love and growing pains in high school. On the one hand, Lin Xinghe strives to become the "good student" expected by his parents, and on the other hand, he hopes to "make some noise" in his youth; Yu Qingkong uses words to resolve family changes, while Zhou Qiyuan keeps running between the stadium and the classroom, eager to prove himself. The lives of the three people have become more complicated due to the appearance of "Xu Xuyue": youthful secret love, hilarious misunderstandings, and conflicts between friendship and ideals are gradually increasing. In the end, the three of them ushered in their respective youthful transformations on the battlefield of the college entrance examination. There are regrets, tears, and growth. The story uses a humorous tone to outline the embarrassment and tenderness on the road to growth, showing the reality and beauty of youth.
