A Candle for the Devil1973

Horror Vault's take

Beneath the sun-drenched surface of a quiet Spanish village, two devout sisters run a modest hotel with an iron grip on their guests' behavior — and an even darker method of enforcing their piety. When a young woman arrives searching for a missing friend, she unknowingly steps into a world where religious obsession has curdled into something far more deadly. This slow-burn Spanish chiller trades on atmosphere and creeping dread rather than outright gore, letting its terrifying premise simmer until it boils over.

Content: Violence Against Women, Murder, Religious Extremism, Disturbing Themes