Synopsis: Yoo-joon, a talented high school pianist, transfers to a new school after an injury abruptly halts his career. On his first day, he hears a mysterious melody coming from an old practice room and follows the sound to find Jeong-ah, an enigmatic girl playing the piano. A deep connection forms between them, yet Jeong-ah remains distant, leaving Yoo-joon both confused and intrigued. Inspired by her, Yoo-joon decides to rekindle his passion for music in college. Then, one day, Jeong-ah suddenly disappears. In search of answers, he uncovers a secret that defies the laws of time. An engaging musical drama about love, loss, and mysteries that transcend time. How far would you go to reclaim what seems lost forever?
