Overview
Si-hyun who lost all memory after a car accident and has colored hearing in which she can see sounds in colors, tries to complete the melody in her dreams. As the song nears completion, Si-hyun's fragmented memories return to her.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 32 | 40 | |
 | 43 | 52 | |
 | 28 | 36 | |
 | 28 | 36 | |
 | 36 | 45 | |
 | 33 | 41 | |
 | 11 | 20 | |
 | 42 | 50 |