- HD 1080
- Runtime: 108m.
- Status: Released
0
- Languages: ko
- Country: South Korea
- Director: Johnny Chae
- Stars: Kim Min-seok, Wi Ha-jun, Jung Won-chang, Lee Jae-kyoon, Bae Myeong-jin
- keywords: based on comic, based on webcomic or webtoon
- Production_studio: SLL, TVING, Studio Toyou, Toyou's Dream
- Slogan: A boy who never knew how to fight back.
- The Shark: The Beginning is featured in the top rankings of 2021
- #35 in Top Action Movies of 2021
A bullied teenager who is locked up at a juvenile detention center due to an unexpected accident, meets a mixed martial arts champion to break through his own limits.