In 1815, beneath the aegis of the Army of Occupation, Brussels is the gayest town in Europe. And the widow Lady Barbara Childe, renowned for being as outrageous as she is beautiful, is at the centre of all that is fashionable and light-hearted. When she meets Charles Audley, dashing aide-de-camp to the great Duke of Wellington himself, her joie de vivre knows no bounds – until the eve of the fateful Battle of Waterloo ...