Mike Bartlett's 'future history play' explores the people beneath the crowns, the unwritten rules of our democracy, and the conscience of Britain's most famous family.Queen Elizabeth II is dead. After a lifetime of waiting, her son ascends the throne. A future of power. But how to rule?Drawing on the style and structure of a Shakespearean history play, King Charles III opened at London's Almeida Theatre, directed by its Artistic Director Rupert Goold, in April 2014, before transferring to the West End.The play went on to win Best New Play at both the Critics' Circle Theatre Awards and the Olivier Awards. It also won the South Bank Sky Arts Theatre Award.