Based on the book of the same name by Alex von Tunzelmann about the last days of Britain's colonial rule in India and the symbolic end of Blighty's status as a world superpower.

Follows the fateful events as Britain's Lord Mountbatten, with glamorous wife Edwina in tow, is sent to oversee the handover of power in the summer of 1947 to Jawaharlal Nehru, India's first prime minister.