Puttin' on the Blitz

Rita and Runt are in Warsaw, Poland during the 1939 German blitzkrieg. The head of the Polish underground arranges to meet his daughter Katrina on a train that is about to leave the train station. When Katrina is discovered by a dog working for the Germans, Rita saves her. They head to the train station, and jump on when the train begins to leave. Katrina is safe, but Rita when she sees Runt being attacked by German dogs decides to stay. She leaps from the train in order to help her friend.