The story revolves around the piano club of four high school students. Su Nan, Lin Jingyao, Zhou Yao, and Yang Xingxuan are each burdened with growing pains, and are involved in a series of seemingly simple but hidden twists and turns in community turmoil and interpersonal tests. In the club, fierce conflicts arose due to quota promotion, hosting performances, triangular friendships, and misunderstandings at the parent-teacher conference. They made jokes, made mistakes, reconciled and disagreed. Sunan found the courage to lead everyone to the national competition under pressure; Lin Jingyao gradually opened up to himself and bravely faced family rifts; Zhou Hao used his wit to help his friends get out of the trough, and also faced his own fragility calmly; Yang Xingxuan moved from isolation to the core, bravely pursuing dreams. In the end, the four said goodbye in the midsummer before parting ways, leaving each other with an unforgettable memory of youth. They laughed and cried together on the way to growth. The story ended with a grand graduation performance and full of future expectations.
