So-hwi is a martial arts prodigy and college student. Realizing that her superhuman strength is holding back her love life, she decides to quit martial arts to pursue handsome hockey player Joon-mo. But Joon-mo is in love with an older woman, and when So-hwi's mystical martial arts community comes under threat from an old enemy, Heuk-bong, her childhood friend Il-yeong must persuade her to return.
Unfortunately the movie My Mighty Princess is not yet available on HBO Max.
| Directing | Kwak Jae-yong | Director |
| Writing | Kwak Jae-yong | Writer |
| Costume & Make-Up | Yi Choong-yun | Costume Design |
| Visual Effects | Lee Hee-kyoung | Special Effects Supervisor |
| Editing | Kim Sang-bum | Editor |
| Editing | Kim Jae-beom | Editor |
| Visual Effects | Jung Do-ahn | Special Effects Supervisor |
| Costume & Make-Up | Choi Yeong-sim | Makeup & Hair |
| Crew | Jeon Yu-jun | Fight Choreographer |
| Crew | Park Young-sik | Martial Arts Choreographer |
| Crew | Dion Lam Dik-On | Stunt Coordinator |
