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.
Full Cast of One Step
Cho Dong-in
Woo-hyeok
Cho Dong-in was born on March 26, 1989 and is currently 35 years old.
Jo Dal-hwan
Jong-hwan
Jo Dal-hwan was born on May 10, 1980 and is currently 44 years old.
- Released on April 06, 2017