One Step
Movie| Title | 원스텝 |
| User score | 5.3 |
| Release date | Apr 6, 2017 |
| Genre | Music, Drama |
| Director | Juhn Jai-hong |
| Production country | South Korea |
| Run time | 87 min. |
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.
