After the war with France ended, Edward Michael Jeremiah Bennington the 8th Marquess of Sheffield, decided to tour the Continent. While travelling in central France he encounters a coach accident. As the occupant of the coach lies dying in Edwards arms, he begs a promise of the young Marquess. Edward assures the dying man he will do anything to keep his promise Rosina Anne Margaret Henson, is excited to finally have her debut season. Her uncle The Duke of Manchester, has been her guardian for the last two years, since her fathers death. But the Duke must travel on urgent family business to the Continent. The Duke is unaware, Lady Beatrice his younger sister, has plans for their niece. Unaware of her Aunt's plans for her, Rosina happily travels to London with her Aunt Beatrice, and Beatrice's husband Albert. She is excited at the prospect of the balls, parties and entertainments. Most of all she hopes to make some new friends, and maybe even to find love.