The film is set in France in August 1944 at the end of the war. German troops are in retreat as the allies are coming in. Two French boys run from home and on their journey they stumble upon a German soldier. Soon they become friends and together they head towards Lyon…

Diego is one of the chiefs of the Spanish Communist Party. On his way from Madrid to Paris, he is arrested at the border for an ID check but manages to get free. When he arrives in Paris, he starts searching for one of his comrades to prevent him from going to Madrid where he could be arrested.