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