The emaciated weavers deliver their homework to the factory owner Dreißiger and receive their wages, on which they cannot live and cannot die. Driven by hunger, they ask for more money, but to no avail. Only the young baker and the reservist Jäger put up a fight, and both manage to encourage a large group of weavers to revolt against the factory owner. They break into his house and destroy it, whereupon he flees. The revolt continues, the weavers move through the surrounding villages, where more people join them. A little later, the military arrives to intervene against the angry crowd and restore the old order...

GDR and West Berlin in the 1950s. Hans Nettermann, a designer at the "Komet" bicycle factory, is a favorite of the BSG road riders. His dream is to one day ride in a stand-up race. A construction error throws him back in the road race. They work for a long time to fix it. Then he is persuaded to go to West Berlin to become a professional rider. Although he makes it to the top class, he also learns about the scams in professional sport. He marries Marianne, who has followed him and tries to persuade him to return to the GDR, which he eventually does. After some difficulties at work, he is nominated for the first amateur endurance race in the GDR and wins.

In November of 1939, the British consulate in Norway receives documents saying that the Nazis are conducting secret rocket research in Peenemünde. But the British doubt the authenticity of the so called "Oslo report". Thus, the Germans continue their experiments unimpeded. At the same time, resistance groups from France, England, Poland, and Germany try to find and to sabotage the secret Nazi research base. When the first "V 2" rocket is successfully launched, the Allied commanders finally become interested in the "Oslo report".

At the beginning of the Second World War, Czech music student Honsik comes to Germany from Prague to join a "foreign worker company". After rescuing a boy from the rubble of a bombed-out house, he himself is seriously injured and taken to a hospital in Stralsund. There he is regarded as a second-class citizen and the Germans are preferred to him. Nurse Käthe stands up for him, cares for him and defies all prohibitions. A love affair is kindled between the two, but it is not under a good star. Honsik tries to flee to his homeland with his comrades and Käthe supports him. At the last moment, however, Honsik realizes that his love for Käthe is stronger than his homesickness and makes his way back. Once back home, he can only watch as Käthe is arrested by the Gestapo. With the help of a resistance fighter, the young man from Prague manages to escape after all.