Black Plague (2002) -

The prisoner is revealed to be an impostor seeking revenge for a past atrocity committed by Sir Walter and the village men against his mother. He uses occult rituals to "magically" inflict the plague upon his victims as a form of divine or demonic retribution. Key Themes and Production

It is generally regarded as a "medieval murder mystery romp"—a hybrid of a period drama and a supernatural thriller. You can find more details and user ratings on the Black Plague IMDb page . Black Plague (Video 2002) - IMDb Black Plague (2002)

Matilda’s nephew returns from war with a high-ranking French prisoner, Jacques de Saint Amant. Matilda hopes to use him as a ransom chip to free her husband and clear her massive debts to a predatory local bishop. The prisoner is revealed to be an impostor

Originally released as Anazapta , it was retitled Black Plague for its 2002/2004 video and international releases to capitalize on the historical setting. You can find more details and user ratings