In a small town near Madrid, Paquita and her brother Venancio, both single and with a childish personality, live under the shadow of their bossy older sister, Ignacia, a grumpy old maid.
Four women spend the night in an old deserted sanitarium on a mountain. They each in turn fall into the the evil hands of a doctor…
Benito Freire, a pedlar in a small village in northern Spain suffers from epileptic seizures and rumours start to spread that he may be a werewolf and responsible for a series of killings. The local Abbot is called upon to form a team to investigate, in an effort to halt the harrowing murders.
