Designed in 1935 by R.J. Mitchell, the Supermarine Spitfire was a revolutionary fighter plane, which proved to be more than a match for its German opponents. In 1940, it helped turn the tide of WWII by providing vital air defense during the Battle of Britain. Combining interviews with surviving Battle of Britain fighter aces, archive film, and reenactments, we take you inside the cockpit to reveal the courage and resolve of the men who halted Hitler’s advance and became legends of the skies.