The action takes place during the Second World War. Unexpectedly in a train compartment a fugitive - British captive - appears among the passengers. The human solidarity is stronger than the fear, and they do their best to save him.
A large balloon suddenly appears above villages and fields and grabs the attention of the peasants. They start liking the sudden guest from nowhere for the beauty of the free existence. A policeman comes and the dreams of freedom vanish.