Prince William of Gloucester, cousin of Elizabeth II, lived a life of independence, quiet rebellion and a relentless pursuit of freedom, but it all led to the ultimate tragedy. This documentary traces the life and death of a man who was determined to step beyond the rigid expectations of royal life, instead choosing a career in diplomacy, working for the Foreign Office and engaging directly with the wider world. However, on August 28, 1972, his plane crashed during the Goodyear International Air Trophy race, killing him instantly at the age of just 30