In 1939, Britain was a global superpower. A year later, it was the frontline of a desperate struggle to survive. The coming of war transformed people's lives; petrol rationing emptied the streets, lights were blacked out and children were rushed to the countryside. As pilots duelled in the skies above, the capital city prepared for the gathering storm... Seen through the eyes of the capital city, and with rare archive film, this is the story of life in the war - told by those who were there.