Tuur and Lambert are best friends. But the war is closing in and is about to change their lives forever. Tuurs dad joined the resistance and even his big brother seems so be part of it. Lamberts family on the other hand choose to obey the Germans. Then a new girls from the city shows up, befriending the boys but telling her secret to only one of them. A choice that separates the boys and ultimately gets her in trouble.
Unfortunately the movie Secrets of War is not yet available on HBO Max.
| Art | Kurt Loyens | Production Design |
| Art | Marc Ridremont | Assistant Art Director |
| Directing | Dennis Bots | Director |
| Writing | Karen van Holst Pellekaan | Writer |
| Camera | Rolf Dekens | Director of Photography |
| Costume & Make-Up | Uli Simon | Costume Supervisor |
| Costume & Make-Up | Katja Reinert-Alexis | Makeup Supervisor |
| Editing | Peter Alderliesten | Editor |
| Sound | André Dziezuk | Music |
| Writing | Jacques Vriens | Novel |
| Crew | Tanja Chung | Translator |
| Production | Brigitte Baake | Co-Producer |
| Production | Michiel Bartels | Line Producer |
| Production | David-Jan Bijker | Producer |
| Production | Martin Dewitte | Co-Producer |
| Production | Frank Groot | Delegated Producer |
| Production | Reinier Selen | Producer |
| Production | Harro van Staverden | Producer |
| Production | Donato Rotunno | Co-Producer |
