Nome original: 원스텝
Data de lançamento: 06 de abril de 2017
Filme
Tempo médio: 87 minutos
Gêneros: Música, Drama
Sinopse: 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.