Ahn is a suicidal saxophonist, Mun is violent simpleton with an I.Q. of 80 and Maria is single mother with dreams of becoming a nun. Ahn has tried numerous times to kill himself but nothing ever works. When he witnesses his wife infidelity, it is the last straw.
Unfortunately the movie Trio is not yet available on Disney Plus.
| Writing | Park Chan-wook | Writer |
| Directing | Park Chan-wook | Director |
| Camera | Han Mi-jin | Still Photographer |
| Directing | Yoo Heung-sam | Assistant Director |
| Editing | Park Gok-ji | Editor |
| Costume & Make-Up | Heo Jeong-im | Makeup & Hair |
| Production | Lee Mi-young | Producer |
| Writing | Lee Mu-yeong | Writer |
| Camera | Lee Eun-gil | Director of Photography |
| Production | Lee Choon-yun | Executive Producer |
| Art | Oh Sang-man | Production Design |
| Lighting | Shin Jun-ha | Lighting Director |
| Sound | Kim Suk-won | Sound Supervisor |
| Sound | Jeon Sang-yoon | Original Music Composer |
