Seo-jun, a young pianist from an underprivileged background, manages to study classical piano with the aid of a scholarship with the help of renowned pianist Eun-jung Son. His goal is to win an international competition but he is repeatedly defeated by his rival, Min-jae. After failing to win, out of frustration, he vandalizes in the waiting room. Ji-soo witnesses his misdemeanor and blackmails him to manipulate him. Seo-jun and Jisoo develop a romantic relationship and he finds out that she pla...