"La vampire" by Paul Féval is a novel written in 1865. Set during the Cadoudal conspiracy against Napoleon Bonaparte, the story follows a mysterious series of disappearances plaguing Paris. The only explanation points to the sinister activities of Countess Marcian Gregoryi, a vampire who has arrived from Hungary. This is the second of Féval's three vampire novels, blending historical intrigue with supernatural horror as the undead countess weaves her dark influence through the French capital.