Jennifer, an Australian girl on the run from her past, turns up in Amsterdam and, in a desperate attempt to blend in, joins a coach-load of tourists on a tour of Holland's old windmills. When the bus breaks down in the middle of nowhere, she and the other tourists are forced to seek shelter in a disused shed beside a sinister windmill where a devil-worshiping miller once ground the bones of locals instead of grain. As members of the group start to disappear, Jennifer learns that they all have something in common – a shared secret that seems to mark them all for doom.
Unfortunately the movie The Windmill Massacre is not yet available on HBO Max.
| Directing | Nick Jongerius | Director |
| Writing | Chris W. Mitchell | Writer |
| Writing | Suzy Quid | Writer |
| Writing | Nick Jongerius | Story |
| Production | Eric Brenner | Producer |
| Production | Nick Jongerius | Producer |
| Production | Daniel Koefoed | Producer |
| Production | Guirec van Slingelandt | Producer |
| Camera | Bart Beekman | Director of Photography |
| Editing | Jeffrey de Vore | Editor |
| Production | Dan Hubbard | Casting |
| Art | Dimitri Merkoulov | Production Design |
| Costume & Make-Up | Ingrid Schagen | Costume Design |
| Costume & Make-Up | Lynn van Eck | Costume Design |
| Art | Suzanne Andriessen | Assistant Art Director |
| Production | Gemma Sykes | Casting |
| Production | Marc van Bree | Casting |
| Sound | Erik Jan Grob | Original Music Composer |
| Production | Jonathan M. Black | Associate Producer |
| Production | James Huntsman | Executive Producer |
| Production | Spencer Pollard | Executive Producer |
| Production | Todd Slater | Executive Producer |
| Production | Mike Chapman | Executive Producer |
