Pilar is a young admirer of Miguel Santos, a famous pianist. At a concert that he gives in Cádiz, she is lucky enough to meet him in person, and that same night something arises between them. What she doesn't know is that Miguel has known his older sister for years

A small provincial town lives under the caprices of Don Justin, the local cacique. This forces the young Mariana to marry him, taking advantage of the fact that her nephew Juan, the boyfriend of the girl, is far away from military service. Upon his return, Juan is mocked and goes to a witch to assist him in his revenge.

Paralytic Alicia is sent by her father to a bizarre clinic to be cured and soon begins to suspect sinister things are occurring upstairs (which the staff claim is uninhabited).

A group of rich businessmen and military officers who are partying in an old castle are spared when a nuclear war ravages the earth. When they venture out into the nearest town to search for food and supplies, they find most of the residents blinded, and soon they discover the existence of a sinister group called The People Who Own The Dark.

Cecilio Rubes, a businessman engaged in the manufacture of baths and toilets, tries to remain neutral in the imminent Spanish civil war. But the attitude of Cécil, his only child, a spoiled boy who grows without respect their parents, will forced him to face the cruel reality of the facts. Jumping back and forth in time, we are shown his present and his past through his wife Adela and Paulina, the mistress of father and son.

Alicia lives off the men she blackmails with the help of her neighbor, the young Moisés. His victims include his boss, a friend of his, Jaime, and Mr. Borrás. One day she is found dead on the landing of the stairs.