A gang of pirates rape the two sole survivors of a ship wreck. The violated girls are rescued by the strange inhabitants of a supposedly haunted island, where they are granted supernatural powers to strike revenge against the pirates.
In a village located in the central French region of Sologne, a young girl notes the negative effects of urbanization on her environment; then she imagines the appearance of the Ampélopède, a strange creature living in the woods.
After a psychoanalyst unsuccessfully tries to convince four sisters that they are not 200 year old vampires, the Queen of the Vampires promulgates the cause of the Undead.