An investigator tries to solve a murder, her constant interviews with the main suspect cause the investigation to take many twists and turns as what is said is not always what is meant.
Unfortunately the movie Investigation is not yet available on HBO Max.
| Directing | Iglika Triffonova | Director |
| Writing | Iglika Triffonova | Writer |
| Production | Rossitsa Valkanova | Producer |
| Sound | Han Otten | Music |
| Camera | Rali Raltschev | Director of Photography |
| Editing | Yordanka Bachvarova | Editor |
| Costume & Make-Up | Elena Stoyanova | Costume Design |
| Crew | Atanas Cherkezov | Property Master |
| Directing | Alicia Ferro | Script Supervisor |
| Crew | Julian Atanassov | Second Unit Cinematographer |
| Crew | Sil Stranders | Sound Recordist |
| Sound | Max Frick | Foley |
| Sound | Bart Jilesen | Supervising Sound Editor |
