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Algeria, mid-50s: it is the time of uprisings against the French colonial power. The German-born foreign legionary Hans Röder witnesses inhuman criminal actions against members of the Algerian resistance movement. These go to the account of the French secret organisation "Red Hand", but it cannot use witnesses. Röder deserts and tries to bring his observations to the public. He is relentlessly pursued by the "Red Hand", which leaves a bloody trace. Röder flees to West Germany, but here too the arm of the organisation enough. He sees no other way out than to escape to the GDR.

The ship stoker Heini Holler leaves Greece for health reasons and reports to the consulate of fascist Germany. The consul sends him back to Hamburg. He had previously reported him to the Gestapo there as politically suspicious. On his arrival, Holler is immediately arrested. His comrades kidnap the consul and demand an exchange for Heini, which is to take place in Marseille. The Gestapo agree to this as a pretense and secure the support of the French police to arrest the kidnappers. However, the solidarity of the sailors in Marseille is stronger and Heini is able to cure his lung disease in the Soviet Union.

The mechanic Behnke wants to join the Nazi party to secure a good living. However, after his Jewish neighbors have been taken away, he changes his views. Trying to remain "a non-political man," he withdraws from reality and becomes a Nazis laborer.

The girl Marianne inherited a motorboat called “Eintracht” from her parents and struggled to get her to drive it with her uncle. There is a row with the new engineer Michel the evening after the first trip. He leaves - out of jealousy. Instead of him, Marianne takes three funny musicians with her who are looking for work. The trip to Hamburg on the Elbe initially ends on a sandbank, from which another barge, the "Petrel", frees them. Michel has now been hired there. After a few complications and pointless fights, because Marianne has long been in love with Michel, there is the well-deserved happy ending.

In 1960, 400,000 farmers are forced to join the LPG. After the forced collectivization, Thomas, son of the experienced LPG chairman Rothardt, is delegated to the Oderbruch. However, he is unable to cope with the unwilling farmers in the countryside and his task of improving their work. He meets with incomprehension from his father and a conflict arises between the two.

The events during the Kapp-Putsch 1920 in a small German town in the Ruhr district. The main protagonist is Ernst Sukrow, a student who sympathises first with the bourgeois forces but finally decided to join the communists in their fight.