Natalia is an aging film star seldom seen on the screen any more, but she has not slowed down her sexual obsession with exploring new ways to express her passion. Her clueless "blond syndrome" daughter is addicted to sex, drugs, booze and any other vice she can devise on the spur of the moment. Her handsome son-in-law knows how persuasive Natalia can really be.
Stan and Tracy are a couple of middle-class intellectuals. They consider their attitude towards sex and marriage liberal, maybe even adventurous. However, reading Stan's account carefully makes us wonder whether they are really any different from the average middle-class couple. Everything changes when they meet Helen Joe, a woman they both are strongly attracted to. Helen seems to be able to detect and satisfy their hidden desires.