You can find the official French Blu-ray version through major European retailers and media databases:
The narrative follows Max (August Diehl), a Holocaust survivor who joins a secret resistance group. The film explores the moral complexities of revenge and the "Plan A" mission to kill six million Germans by poisoning the water supply in major cities like Nuremberg. Blu-ray Technical Specifications (1080p) Plan A FRENCH BluRay 1080p 2022
French (mandatory or optional depending on the publisher). You can find the official French Blu-ray version
In France, the film was distributed by labels such as Rimini Editions or similar boutique distributors specializing in international cinema. Where to Find the Release depending on the region).
1080p High Definition (1.85:1 or 2.39:1 aspect ratio, depending on the region).