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..

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.

Retired tax official Willi Winzig spends his retirement happily and contentedly in his home. However, this changes when his sister Heidelinde, her daughter and his father want to move in with him, and as Willi is a good-natured man, he takes them in, but because they have no money and his pension is not enough for all four of them, he has to take on a new job. He gets a job as a salesman for household appliances, but his good nature gets in the way again.

Dr. Fabian is the good soul at the University Surgical Clinic. Nicknamed "Paulchen" by his famous boss, Professor Spalke, the demigod in white brings joy to the lives of his patients with his cheerful disposition and is also tireless in his support and advice for his students. It's no wonder that women would love to get their hands on this dream man. But Dr. Fabian remains steadfast - until he meets the attractive anaesthetist Inge.

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.

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!