Loris is a young man who begins a romance with Francisca, his piano teacher, a forty-year-old who lives dominated by her mother, who was a successful soprano in her youth. Loris goes to live at Francisca's house. They will have as neighbor a sexual obsessive, fan of carnivorous plants and spying on people with binoculars. When they are preparing a trip, Francisca's mother shows up at the house. Her initial indignation soon gives way to a great interest for the young man, which will provoke the terrible jealousy of Francisca.

A rich businessman, Julián, runs a foundation that seeks cures for people with disabilities or abnormalities. During one experiment he finds an extraordinary being, but it is just a mirage, as cerebral abnormalities begin to appear, and the being does not want to return to its primitive state.

Doctor Fausto is observed by unknown creatures in outer space. All of a sudden, a strange woman appears in his life. Her strange behavior leads his life down the path to insanity.

David (Mark Stevens) is a physician who returns to Spain 30 years after his involvement in the Spanish Civil War. Now a member of a medical convention, he looks up old friends and finds his former lover, now a married woman with a flamenco-dancing daughter. He and the daughter (Manuela Vargas) have an immediate and mutual attraction to each other. He considers running away with the exotic beauty before asking his wife to join him for an extended vacation after the convention .

Ditirambo never smiles, always tells the truth and ruthlessly carries out all the missions entrusted to him. The widow of a writer orders him to locate the former lover of her husband with the purpose of getting revenge on her.

Anselmo is a young anthropologist who is tormented by jealousy, and although his wife Camilla does not give reasons, keeps a close eye on her. After consulting a psychiatrist, the doctor says the problem is him and not his wife. So he plots to verify, once and for all, if his suspicions are true. By chance he meets an old friend, Lotario, who seems the ideal person to carry out his plans. What Anselmo does not know is that his friend is a real womanizer who ends seducing his wife.

Patricia (Mijanou Bardot) is a wealthy party girl who is bored with her jet-set lifestyle and friends. She gets in her car and drives off into the mountains in search of a new thrill. When two men wreck and burn her car, she joins them in their mountaineering life. She sleeps with one man, but jealousy ensues and she leaves for swinging London town with the other man. Eventually the men end up back in the mountains as the profoundly disturbed Patricia packs a loaded gun and goes after them both.