In 1940, France has fallen and Hitler orders Operation Sealion, the invasion of Great Britain. But first the Luftwaffe must defeat the RAF for seaborne landings to succeed. In July 1940 the epic struggle of the Luftwaffe and the RAF in the skies above England begins. Wave after wave of bombers are attacked by British planes. Featuring the last interview with the youngest Spitfire-pilot in the battle, Geoffrey Wellum. Only a brilliant defensive system and the bravery of young pilots stand in the Luftwaffe’s way.