This documentary gives a new perspective of a critical period in 1940. With Britain in crisis after a devastating defeat in Europe, these are the key moments that lead to WWII's most famous battle and the moment the Allies stepped in to save a nation. Brought to you by a renowned War production house behind the VE Day: In Colour films for Channel 4 and UKTV, this film reveals untold stories from across Europe about the turning point of WWII. Expert contributions, stunning archive and moving testimonies from the pilots themselves tell emotional, heroic and and life-changing stories of British, French, Czech and Polish events and actions that occurred in the critical battle and secured Britain's defence.