Hae-jin, 29, struggles to adapt to life in Seoul and returns to her hometown of Jeju. There, she reunites with her mother, Ok-ran, and her grandmother, Kang-ja, who has spent her life as a haenyeo. Hae-jin decides to become a haenyeo, but Ok-ran strongly opposes it. The conflict between them intensifies, while Kang-ja is diagnosed with dementia.
Unfortunately the movie Sumbisori is not yet available on Disney Plus.
| Directing | Lee Eun-jung | Director |
| Writing | Lee Eun-jung | Writer |
| Production | Oh Hyeon-am | Producer |
| Production | Yoon Seo-young | Producer |
| Camera | Jo Jung-hee | Director of Photography |
| Lighting | Kim Chang-ho | Lighting Director |
| Art | Jang Min-woo | Production Design |
| Sound | Yonrimog | Original Music Composer |
| Sound | Choi Young-doo | Original Music Composer |
| Editing | Wang Sung-ik | Editor |
| Sound | Im Chang-duk | Sound |
| Sound | Kang Min-koo | Sound |
| Sound | Seo Ji-hoon | Sound |
| Costume & Make-Up | Hong Soo-hee | Costume Design |