The limited series, "Belgravia" is a story of secrets and scandals amongst the upper echelon of London society in the 19th Century. When the Trenchards accept an invitation to the now legendary ball hosted by the Duchess of Richmond on the fateful eve of the Battle of Waterloo, it sets in motion a series of events that will have consequences for decades to come as secrets unravel behind the porticoed doors of London's grandest neighborhoods.