In theory, a more sophisticated period drama based on the true story of Georgiana (Keira Knightley), an aristocrat married off to a loveless marriage with the enormously wealthy and politically influential Duke of Devonshire (Ralph Fiennes). She is treated little better than a brood mare in fancy dress but has way to much independent spirit to settle for that and is soon having an affaire de coeur with Dominic Cooper "Earl Grey" (yes, he of the tea...). Meantime, the Duke has taken a mistress and so the film depicts how our multiple ménages-à-trois work out. It very much emphasises the (very) ...