The head of a big engineering firm is a workaholic who neglects his pretty young wife - leading to her joining an "escort" service as a means of sexual relief. All is well, until the escort service is hired to entertain the engineering firm's clients at a swingers' party.
A handsome young sunlamp salesman's amorous endeavors with his wife become too inventive for her, and she leaves him to return to her mother's house. He takes up bachelor life with gusto, and beds many of the women who come to comfort him.
A Victorian aristocrat buys a former madhouse and converts it into a "love nest" to woo and bed Alice, the lovely blonde Minister's daughter he meets in an art gallery.
The town's wealthy benefactor dies, and leaves a bizarre bequest: unless one of the self-righteous citizens can produce an illegitimate child in 9 1/2 months, all his money goes to homeless cats, and they must start paying taxes.
The impending approach of Venus - known to cause "disturbing erotic behavior" - sends two men with very different missions to the town of Petit-Bois. One to save the schoolgirls from lust, the other to test a new aphrodisiac. Chaos ensues.