Ruth Stephan

A new teacher, Dr. Dr. Bach, is transferred from his quiet village elementary school to the Mommsen Gymnasium, bringing along his nephew Jan. Bach's lackadaisical methods raise the suspicions of the other teachers.

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.

Eberhard Dobermann is a widower and a policeman who loves to control the roads and let people pay fines. Even with his neighbour and friend Jutta Schmalbach he has no pity. Thus he cannot understand why his daughter Karin just falls in love with a racing pilot called Walter. But it gets even worse when Eberhard wins a VW-Kaefer at the annual police party. So he has to learn to drive and thus even brings his teacher close to a heart attack.

Otto Dernburg is forced by circumstances to dress up as a middle-aged woman.

Pediatrician Waldemar Weber is at his wits' end. Of all days, his adopted son Egon—from his first marriage, whom Waldemar has always kept a secret from his young wife Henny—has announced he’s coming to visit on their first wedding anniversary. Waldemar must stop Egon at all costs. When Egon finally shows up at the door, he turns out to be a monkey trainer.

Four young musicians from Hamburg are heading to a hotel in Upper Bavaria. Three lively young women are also on their way there. No wonder the hotel, which is on the brink of bankruptcy, is coming back to life. Max, Franz, Egon, and Paul—four young musicians from Hamburg—are heading to a hotel in Upper Bavaria to meet Max’s fiancée.

Summer in Germany, anno 1970. Italy is the number one destination. As every year, swarms of Teutonic tourists make their way to the Adriatic Sea. Only Willi Hirsekorn from Castrop-Rauxel has so far no plans to break south. That changes, however, as the bitchy neighbor Mizzi Buntje proudly tells of their upcoming holiday in Italy. Willi can not afford this boasting. Shortly determined, the bags are packed, and already rushes Willi in the car with his wife Sieglinde, daughter Lotti and son Kuno the sun.

On a trip through the Salzkammergut, a couple singing pop songs tell the story of another duo and their difficult path to marriage: he was into light entertainment, while she was into serious art.

Determined Gerda Weber travels to the big city and locates at a girl's pension. She soon finds job as a secretary in a big business thanks to her optimism and wits, and ends dating her boss after mistaking him for a companion. They share an evening of music and dancing, after which she discovers who he really is.

Principal Gottlieb Taft's twin brother Gotthold Taft partakes in the most recent prank by faking his death and promising a large inheritance to the Mommsen-Gymnasium and the principal. Of course, the inheritance is tied to many embarrassing conditions.

Mathilde Kratzer owns the entertainment venue "Bei Mathilde" (At Mathilde's). Her roommate Max also has a financial stake in the establishment, but only as a silent partner, which is why he works either as Mathilde's servant or as the bouncer. He would love to rename the venue "Bei Max und Mathilde" (At Max and Mathilde's), but Mathilde would rather return his investment. Because she can't afford to do so, Max is in financial trouble and is being relentlessly pursued by the tax authorities.

Admiral Dagobert von Kattnig develops a rescue system for the German Navy. The mountain troops are to test the device in Upper Bavaria and Dagobert sends his son and his staff boatman there. Instead of testing the device, however, the two marvel at the cozy country life. When an inspection is due, the mountain troops are fortunately mistaken and escape the initial chaos. But when they all meet up, chaos is inevitable.

Mommsen Gymnasium director Taft secretly places his nephew as a spy with the difficult class of Pepe Nietnagel. During the celebration for the 100th anniversary, a simulated fire forces the school to shut down for a week. The director's attempt to get a tough teacher assigned by the department of education results in the exact opposite because of Nietnagel's intervention.

Pepe Nietnagel and his fellow students of the Mommsen school come up with all kinds of ideas to get out of doing any actual school work. This includes simulating suicides, setting off the air-raid sirens and abusing the school director's new broadcasting system. They succeed in sending their teacher to a sanatorium and get a replacement that turns out to not be so bad after all.

Emil, a technical draftsman, is hardworking, always helpful, and somewhat shy. Because of these traits, he is often taken advantage of by those around him. Now Emil is set to inherit a supposedly large fortune. His landlady's brother wants to marry him off to one of his relatives. But soon panic and confusion set in. The inheritance consists of three full-grown lions.