As a child, John watched his father murder a lover. Traumatized as an adult, his psychiatrist recommends that he sleep with his secretaries, but this awakens the most terrible memories in him and acts on him accordingly.

Lázaro and Sabino, employees of a large furniture store, fall in love with Laura, a new young and naive employee, who accepts their love. The trio lives a happy engagement. In the big store is planned a sensational advertising campaign with the bed "Eternal happiness," to be launched on New Year's Day. Lázaro and Sabino have to give the last touches on New Year's Eve. When they leave, they enter the exhibition truck and lie down on the bed. When they wake up in the morning, they are surrounded by a crowd and a scandal is organized.

A woman searching for her missing sister arrives at a small coastal village, where her sister was last seen. Unknown to her, her arrival has been noted by a crazed scientist, who has designs on her.

1969 film by Jaime de Armiñán

A man has had a werewolf curse cast upon him. If he doesn't get rid of it, he turns into a killer werewolf when the moon is full.