 Brooks, Lucy, Willy and Vronia are forced to run towards the Swiss border.They are helped along the way by an American escapee named Packy who has formed a group of partisans to fight the Germans in Austria, after many run-ins with the Nazis.Half way there, Lucy gets mumps, so Brooks finds an Austrian doctor to look after her, while Vronia and Willy run to Willy's parents' house.