A young German tank commander Carl Wolff, is looking out of his Panzer I tank on the morning of the 1st September 1939, awaiting the order which will start the invasion of Poland. Sat below to his left is his driver and friend Panzerschutze (Private) Bodo (Bo) Hass. As the Stukas pass overhead, he receives the command in his earphones............ PANZERS ROLL!