Young widow Madame Yanne takes care of her pretty nieces Florentine and Juliet, who are currently living out their lesbian obsessions and are currently more engaged with each other than turning their heads around the lusty male world.

After a historical excursus on the most common venereal diseases, doctors report on various cases of infection, each illustrated in the manner of amateurish reportage films.

If you don't take the truth too seriously, you seem to find many things easier. Be it in your professional or private life. Rudolf Langenegger is a politician and husband and a prime example of both genres. The inventive National Councillor on the wrong track is only surpassed by his wife Sylvia. And so it happens that she meets up with her "one afternoon stand" at the same time in the same hotel as her husband with his mistress. As the unfaithful halves of the couple want to enjoy themselves door to door, i.e. suite to suite, it doesn't take long for events to unfold that send everyone involved into the dead end of their excuses at breakneck speed.