Synopsis：Influenced by her mother from a young age, Yi Lan studied the cello and displayed remarkable talent. In her very first week of high school, encouraged by her childhood friend Tong Xiaole, she resolved to form her own musical trio. Driven by the goals of "defeating the school orchestra" and "performing at the annual campus festival," Yi Lan worked tirelessly, burning with the energy of a little sun. Her passion was infectious, inspiring Tong Xiaole to rekindle his own musical dreams. Amidst the melodious strains of the cello, the laughter of friends, and the tears of a young girl’s secret heart, a skirt swirls and a spark of inspiration strikes. A young girl plays the movement of her youth, illuminating the world of a young boy in the process. A group of teenagers, meeting at the most beautiful age, use music and dreams to compose their most perfect summer.