The first episode looks at how national unity was tested in the 1920s and 30s with class conflict, soaring unemployment and widespread civil unrest, but despite these upheavals, those growing up in the inter-war years remember much that was positive about life in Britain at the time. When war broke out in 1939, the men and women of this generation were ready to risk their lives for their country, but the evacuation of the British Army from the beaches of Dunkirk was a wake-up call for those expecting a swift victory.

A look at individuals who played their part in creating a more culturally diverse post-war Britain, including pioneering actor Earl Cameron, who broke through the colour bar in the film industry. Other well-known names also considered are gay rights activist George Montague, and Brian Rix, who has campaigned passionately on the issue of disability. Plus, Arctic Convoy survivor Austin Byrne and former prisoner of war Jim Purcell share their stories and memories of the era.