Secret: Untold Melody A promising pianist in a slump has a chance meeting with a young woman playing mysterious music, and the encounter forces him to make a once-in-a-lifetime choice.
- Genre: Drama, Fantasy, Music, Romance
- Release:
- Stars: Ahn Seung-gyun, Bae Sung-woo, Doh Kyung-soo, Shin Ye-eun, Won Jin-ah
- Duration: 104 min
- Director: Seo You-min
- Country: KR