Rita, Elsa and Ursula share a room in an all girls boarding school located in a beautiful villa. Their favorite and seemingly only class is sexual education taught by Fraulein Steif. They gladly accept homework and even do some research of their own, as the local baker Roman, photographer, greengrocer and several inanimate objects (Mr. Cucumber and Electric Toothbrush) soon find out. And when they aren’t around, the girls still have each other.

The Munich criminal investigation department uncovers an international call girl ring. Before the boss of the organization can be apprehended, two young women who wish to leave the business are murdered.

A series of vignettes depict different sexual fantasies.