When private eye John Hillman is on assignment in London his wife Kajsa visits the Army's riding school at Strömsholm, Sweden. She gets involved in the strange murder of the Blue Rider. Unknown to everyone at Strömsholm.
| Directing | Arne Mattsson | Director |
| Writing | Folke Mellvig | Writer |
| Writing | Lars Widding | Writer |
| Camera | Hilding Bladh | Director of Photography |
| Sound | Torbjörn Lundquist | Original Music Composer |
| Art | Bibi Lindström | Production Design |
| Editing | Lennart Wallén | Editor |
| Sound | Lars Lalin | Sound Engineer |
| Production | David Norberg | Location Manager |
| Costume & Make-Up | Mago | Costume Design |
| Production | Rune Waldekranz | Producer |
