It is the 65th birthday of Wilhelm Lehmann, foreman of a chemical company. All members of the large family are expected. Preparations are also being made in the company: Wilhelm is to be awarded the »Labor banner« and, as every year, the sons are responsible for the may bowl. But instead of family members, telegrams with rejections flutter into the house.

On a barren and stormy island, fishing families eke out a meager existence on what they can catch during summer, and what washes ashore during winter. But little has been washing ashore of late, and their situation worsens. Elders recall how twenty years ago, when the lighthouse keeper’s beacon went dark, a cargo ship broke apart on the cliffs. It proved a bountiful accident for the fishermen. Today people on the island view the conscientious lighthouse keepers with evil hungry eyes...

Carola has been running the family-owned circus alone since her husband’s death, but she suddenly finds herself at odds with her three adult sons who are also performance artists and want to have a say in how the business is run. The family discord leads Carola to turn her back on the circus, leaving the three inexperienced sons in charge. This turn of events forces the family to learn to work together or face bankruptcy.

At a GDR farm, VEAB chief Amann bans cabbage in favor of cauliflower, enraging LPG accountant Gritt. Mistaking visiting writer Hans Brauer for a high-level inspector, Amann backpedals, clearing the harvest issue, while Brauer and Gritt spark an unexpected romance.

This film is the second of a two-part historical and biographical portrait of the communist politician and anti-fascist Ernst Thälmann. Autumn, 1918: Somewhere on Germany’s western front, Ernst Thälmann, age twenty-four, is calling on his fellow soldiers to put down their guns and join him in the communist struggle at home. When Hamburg’s Police Commissioner blocks a much-needed food shipment to the workers of Petrograd, Ernst battles to see it allowed through. Until his murder on August 18, 1944, Ernst remained true to his political convictions in the face of many setbacks.

New teacher Heider takes up his post with great enthusiasm. His unconventional ideas meet with incomprehension and mistrust from the old head teacher Ruppert. When a boy has an accident on a school trip, the children blame Heider. The parents turn against him and he is suspended from his job. But Ruppert has come to respect the new boy. He does not believe he is to blame. Meanwhile, the children are preparing the next mischief. They want to blow up a ruin with explosives found in the forest. Heider is able to prevent this at the last minute. He is rehabilitated and everyone happily awaits his return to school.

Berlin in 1878: Corinna Schmidt, who was brought up in a petit-bourgeois, academic family, is romantically interested in Leopold Treibel, the son of the lordly councillor of commerce Jenny Treibel – although Corinna is also deeply in love with her cousin Marcel. Leopold is also falling for cute Corinna, and Jenny Treibel tries to prevent their friendship by all means, but changes her opinion when their secret engagement becomes public. To avoid a scandal, she urges them to marry quickly. But Corinna soon withdraws from this complicated situation and again turns to her cousin, who is banished from the country for his social democratic beliefs.

The Berlin Volkseigene Betrieb (VEB) Komet is planning a company outing. Willi Redlich, member of the party committee, votes like the others: The relatives stay at home. But he doesn't dare tell his wife Susanne. So she does the work of renting the "Waldschlösschen" restaurant for him - without his knowledge. When Willi wants to book the seats, everything is fully booked and he switches to the "Sonnenburg" opposite. Meanwhile, word has gotten around among the women that they are excluded. They plan a counter-event. On the day of the excursion, both groups are sitting in their inns and the women make sure that they can still celebrate together.

Young, pretty Milli is passionate about winter sports, and of all things, she wins a vacation trip to the Baltic Sea at her company - in summer, of course. After her first dip in the sea and meeting a nice young man, her initial displeasure fades. But not for long, because Robby turns out to be a filou, shuns regular work and is also a womanizer. After some confusion, Milli's vacation ends well after all. She goes home with Robby, who wants to take a job as a car mechanic in her home town of Suhl.