Born into a prestigious family of musicians, Kang Mu-jae carries the legacy of musical greatness in his blood. But despite the pedigree, he finds himself constantly crushed by the invisible wall of talent—a gift he just doesn’t seem to have. One day, he encounters Jin Yu-seong, a deaf boy with an overwhelming, natural gift for music—an irony that shakes Mu-jae to his core. The world only has room for one at the top, and as the two boys face off in a fierce battle of talent, pride, and emotion, their lives become irrevocably intertwined. A story of music, rivalry, and the painful beauty of chasing genius—let the competition begin.