Three sexy sisters take care of their guest house, on a scenic hill in Birkenhof, Switzerland. A young man, vigorous mountain biker, arrives to take a rest, and the girls are all over him. The two older sisters decide to fight, nude, all-in on the hay of the barnyard - and while they are at it, the younger and quicker sister is already in bed with their guest! The cow participates in a quick, undignified end to the female wrestling match...

Sex education with astrologer Wolfgang Döbereiner, who wants to prove how much a person's love life is influenced by his date of birth. The film's questionable hypotheses are illustrated by film examples.

The mayor of the small Bavarian village of Hirnkirchen runs a poorly performing inn with his two good-looking and very busy daughters. When advertising experts Bob and Bert Vogel arrive in the village, they promise the mayor that they will replace the dusty regulars with wealthy visitors from all over Germany. What follows is a turbulent vacation season which, thanks to the inn's attractive daughters, involves a lot of physical activity.

A wealthy middle-aged man tries to seduce younger women at an oceanfront resort.

Heidi tries to improve her grades at school by having sex with her teacher. When she returns to her parent's home somewhere in Bavaria, she starts to spend an unusual amount of time with the male population of her village.

By accident, Mike gets the deal of his life. A rich managing director instructs him to seduce his unfaithful wife to give him a reason for divorce.

The wealthy plantation owner Pinaud is brutally murdered in Ceylon. His attractive German wife Anne is suspected of the crime and arrested by Inspector Cerdan. He is ordered to take her to Colombo. But the plane on the way there gets caught in a heavy storm and crashes shortly afterwards. Anne Pinaud and Cerdan are the only survivors of the crew and save themselves on a desert island. There they come across Werner Becker, who has been shipwrecked with his yacht and is also stranded here. While Cerdan continues to believe Anne is guilty of the crime, Werner believes she is innocent. Soon the tension between the two men builds up and they become rivals for Anne's favor.

A load of excited female winter vacationers travel to the Bavarian mountains. It's going to be a turbulent time for the funny little fat director from Berlin and the other passengers. The ladies have planned for this, traveling without husbands - in the hope of finding more than a full replacement among the local lads. And none of them are disappointed, although the innkeeper is keen to ensure that his establishment remains respectable.

Mr. Schmidinger, a Bavarian from Texas, inherits a hotel from his stepbrother in Heidelberg. He flies to Germany, where his luggage and savings are stolen, and finally ends up in his hotel after an adventurous hunt for the suitcase. He checks in incognito and soon realizes that he is in a brothel. The American, horrified and utterly shocked, dismisses the staff and girls in order to turn the dirty inheritance into a clean hotel, but then the protectors spring into action.

The fourth part of the series about permanently neglected and frustrated wives focuses on women in Budapest, London, New York, Paris and Barcelona.