Set in a German theatre after the Second World War, two British soldiers are holding a disparate and hostile band of refugees in this theatre, prior to returning them to their homelands. The soldiers have difficulty dealing with the rivalries between Serb and Croat, resistance fighter and collaborator, Pole and Russian, etc. The threat of plague briefly unites them, but eventually even this wears off and the refugees unite in their hostility to the British.

A cardinal is arrested for treason against the state. He is a popular hero of his people, for his resistance against the Nazis during the war and his resistance when his country again fell to a totalitarian conqueror. In prison, his interrogator is determined to extract a confession of guilt, and thus destroy his power over his people.