An evil ruler uses witchcraft and evil spirits to keep his subjects in line, but the his reign of terror prompts the people to revolt.

Countess Elizabeth Bathory conspires with her husband to acquire the blood of virgins to maintain her youth and beauty.

Faced with rumors that strange phenomena are happening in a town, two pairs of friends go to that rural area with a tent to investigate. At night they see strange lights and record an inexplicable sound. The next day, Laura appears before them, saying she is lost.

An old priest, who has old ideas, is intended to exercise the apostolate in a neighborhood in the suburbs of Madrid. There the revolutionary climate and anti-religious character of the congregation thwarts all his attempts to attract them. The Archbishop admonishes him and asks to renew his methods, using the example of a young priest of a modern parish. The old priest tries to apply in his environment what he has seen in the parish model, setting off a chain of events.