The Second World War shows itself to the people in all its terror. Bianca is a dog. Her Jewish family was deported. Hopeless, she wanders around the city, until she finds an abandoned child. It is a matter of a moment, Bianca rediscovers the joy of living, names that child Arf and decides to make him grow up among the dogs. So Arf grows up happily, until an SS commando discovers him and decides to deport him to a camp. There, Arf finds a new friends, the ferocious Dobermans of the camp, cause he knows their language. The military would like to eliminate him, when the Führer with his escort arrives at the camp by surprise….