Julian Jarrold directs this British comedy drama following the future Queen of England and her sister as they go out on the town to celebrate the end of the Second World War. On VE Day, 8th May 1945, Princess Elizabeth (Sarah Gadon) and her younger sister Princess Margaret (Bel Powley) beg their parents King George VI (Rupert Everett) and Queen Elizabeth (Emily Watson) to let them leave Buckingham Palace for the night so they can join in the celebrations. The King and Queen give their consent and Elizabeth and Margaret head out incognito but their night takes some unexpected turns...