A man and a woman realize they are separated by two years of time when they exchange letters from different years in a mailbox.
Unfortunately the movie Il Mare is not yet available on HBO Max.
| Writing | Kim Eun-jeong | Screenplay |
| Writing | Yeoh Gee-na | Screenplay |
| Camera | Hong Kyung-pyo | Director of Photography |
| Directing | Lee Hyun-seung | Director |
| Sound | Kim Hyun-chul | Original Music Composer |
| Writing | Won Tae-yeon | Writer |
| Sound | Oh Won-chol | Sound Supervisor |
| Visual Effects | Kim Tae-hoon | Visual Effects Producer |
| Crew | Jung Doo-hong | Stunts |
| Costume & Make-Up | Lee Gyeong-ja | Makeup & Hair |
| Editing | Lee Eun-su | Editor |
| Production | Cho Min-hwan | Executive Producer |
| Writing | Kim Mi-yeong | Writer |
| Production | Lee Min-su | Producer |
| Art | Kim Ki-chul | Production Design |
