Wealthy industrialist Georges Radamante (Maurice Lemaitre) has dreams of immortality. Not through his own achievements, but by finding a way to share the biochemistry of the mute, orphaned vampire woman (Caroline Cartier) who has been raised by hooded needle-stickers in isolation, deprived of exposure to human faces.

Radamante’s son Pierre (Olivier Martin, Rollin’s real-ilfe brother) innocently complicates matters while trying to infiltrate his father’s private club. It is love at first sight and Pierre determines to liberate his beloved, a gaol which attracts the companionship of other vampires, who plan a torch-carrying siege of Radamante’s palatial compound.