The plot revolves around three men waiting to be deported in a prison. To escape the monotony, they form chess pieces from their bread rations, with which they then play against each other. Grünstein, a Polish Jew, proves to be a real talent, because although he is a beginner, he manages to defeat even the experienced player Lodeck, a German sailor, with his "Grünstein Variant".
A story about a family after the Second World War. The petty bourgeois cashier Karl Weber of Berlin observes from a distance how his son Ernst participates in the building of a new socialist society. Karl does not understand Ernst's visions, instead he confides in his other son Harry. However, Harry becomes involved in illicit business and Karl quickly realizes that it would be best to join his son Ernst in the citizen-owned factory.
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.
