Héctor Peppino Cuerva

Eva, a hermaphrodite from birth, with clear signs of both sexes, is raised under the strict guidance of her uncle, Professor Pissinger. The professor surgically implants a device called a "sexmaker" which allows Eva to control her sexual intensity. Unfortunately, this also puts her in the sights of an impotent gangster who wants the device for himself.

A reclusive millionaire puts an ad in the paper looking for seven "seductive and audacious women". Lured by the ad a horde of women descend on a golf course estate in rural Spain where they're whittled down to seven by a variety of bizarre contests.

Two transsexuals are at the service of a scientist who has invented a gun that shoots erotic rays and that will be the solution to impotence and frigidity. The couple must protect it from robbery attempts by a gang of criminals.