Olaf and his mother run a boarding house and a white slavery ring. They smuggle heroin to keep the addicted girls happy so they do not try and escape. A young couple move into the house and the evil landlords take a liking to the female.

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.

Clumsy secret agent Jensen (aka Agent 69) must deliver secret formula for new revolutionary fuel source to Western agents. Instead, he mistakenly gives it to a random kid, so now both him and evil rogue agent Scorpio go after the kid.