It's carnival in Paris and lawyer Paul is with his wife Angèle from London to visit his journalist friend Georges and his wife Marguèrite. At the upcoming opera ball, the two women want to put their husbands to the test.
This is a continuation of the sex education films by Oswald Kolle. The entire Kolle family appears nude and openly discusses sex among the parents, two daughters and one son. The father recommends masturbation for children unless the act would be traumatic for the participant. Some mention of the Oedipal complex is discussed, but no details are given because individual situations may vary.
When the bank clerk Klaus Helwig is arrested on suspicion of embezzlement, his son Heintje, whose mother died at birth, comes to his grumpy grandfather's house. Heintje manages to win his heart and prove his father's innocence..
A sexologist gets involved with the lovely and love crazy young baroness of Gluecksburg. Originally hindered by an occupational accident, he recovers completely after a blood transfusion. Hilarious and sexy!