Chae Song-Ah has always played it safe until she finally decides to listen to her heart. Despite her family’s disapproval and being seven years older than her classmates, she pursues her long-held dream of studying violin at a prestigious music school. Soon enough, Song-Ah finds herself out of place, struggling with self-doubt in this world where raw talent often overshadows effort. While grappling with emotional turbulence, she hears a comforting piano performance of Schumann’s Träumerei. Unknowingly, this sets in motion a connection with Park Joon-Young, a world-renowned pianist. Praised for his talent but untouched by emotional warmth, Joon-Young has lived his life under the weight of expectations. Entangled in a complicated relationship with his longtime friend and unrequited love, Lee Jung-Kyung, he finally chooses to step away. That path leads him to Song-Ah, whose quiet persistence and sincerity stir something in him. As their friendship deepens into something more, the two navigate the harsh realities of the classical music world, the wounds of the past, and the fear that love can be both beautiful and painfully fleeting, just like music.