Yeong-joo, a former synchronized swimming athlete goes to Jeju Island to put together a synchronized swimming team for a performance. She slowly befriends the haenyeo, or female divers, and gradually begins to fit into their way of life.
Unfortunately the movie Mermaid Unlimited is not yet available on HBO Max.
| Crew | Ko Hyun-woong | Martial Arts Choreographer |
| Directing | O Muel | Director |
| Writing | Jeon Byeong-won | Screenplay |
