The story takes place in the magical city, where five young people with different personalities and backgrounds become connected through music. They formed a temporary band and experienced rehearsals, competitions, public performances, family pressure, romantic entanglements and friendship twists and turns. On the way to pursue their music dreams, they collided and supported each other, grew and healed, and finally used youth and music to break the barriers and compose multiple movements of urban life. The novel is full of humor and intertwined story lines. Each character experiences self-breakthrough and emotional transformation. At the end, they perform side by side at a large city music festival, ushering in farewell and new life.