Edna keeps her younger sister Millie drugged and chained to her bed. The drugs have made Millie a nymphomaniac whose endless supply of men that Edna providers her cannot satisfy her and seeing her sister unsatisfied gets Edna off. But Edna's main plan from all of this is to inherit her deceased parents' fortune which is supposed to all go to Millie on her 21st birthday, so if she can prove Millie insane she will get the fortune. But when one of the men appears to satisfy Millie, Millie discovers the outside world and the two will try to stop Edna's evil plans.

Miss Klein runs a boarding-school. The girls that go there are really "free spirited." They chloroform a peeping Tom, lock two plumbers in the dormitories, strip for a gamekeeper and tease their gym teacher. In class, their biology teacher gets carried away while giving a demonstration of sex positions with the gym teacher. In the meantime, one of the girls makes some exciting alterations to their bicycles to make their rides more enjoyable.

Frau Oberst has 2 young nieces who are very open with their sexuality. She hopes to find adequate lovers for her nieces and along the way finds herself in some precarious sexual situations. After a series of sexual encounters between just about everyone at the estate, the Countess drops by for a party where the nieces announce their wedding intentions.

Comedy about some schoolgirls being taught anatomy (of the sexual nature) by the sexually frustrated Barbara Moose. In bed at nighttime the girls practice their daily lessons on each other and on any unsuspecting visitors of the night. When they're not in class they enjoy frolicking around outside (naked most of the time!) experiencing the joys of nature.

The plot has pretty, middle-class Caucasian girls (college students, runaways etc.) being kidnapped right of the streets of Zurich and Montreal(!), and after being beaten, raped, and hooked on heroin, they are sent to Amsterdam to work as zombified strippers and prostitutes in a nightclub called the Moulin Rouge. A female reporter is investigating the disappearance of one girl and ends up on the trail of the slavers.