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.
| Writing | Iglika Triffonova | Writer |
| Directing | Iglika Triffonova | Director |
| Sound | Han Otten | Music |
| Costume & Make-Up | Elena Stoyanova | Costume Design |
| Sound | Bart Jilesen | Supervising Sound Editor |
| Directing | Alicia Ferro | Script Supervisor |
| Crew | Julian Atanassov | Second Unit Cinematographer |
| Crew | Sil Stranders | Sound Recordist |
| Editing | Yordanka Bachvarova | Editor |
| Sound | Max Frick | Foley |
| Production | Rossitsa Valkanova | Producer |
| Camera | Rali Ralchev | Director of Photography |
| Crew | Atanas Cherkezov | Property Master |
