When she met him at the first time, he was a wounded person. However, she saw him through his clear eyes hidden in the bandage. She, Chae Hi-Ju, is a doctor and he, Kong Sang-Du, is a boss of a bandit. The pair seemed not to love each other in terms of their position, but they were closed to each other giving up their own world. However, he was not a common man...
Unfortunately the movie A Promise is not yet available on HBO Max.
| Directing | Kim Yoo-jin | Director |
| Editing | Ko Im-pyo | Editor |
| Costume & Make-Up | Lee Jin-hee | Costume Design |
| Sound | Cho Sung-woo | Original Music Composer |
| Writing | Lee Man-hee | Writer |
| Costume & Make-Up | Park Yea-ri | Makeup & Hair |
