Allegra At first, Allegra Herington thought the offer of marriage from her distant cousin, Sir Derek, an attractive proposition. Left homeless and practically penniless, it would ensure security and happiness for her and her younger sister, Hilary. But hearing the rumour that he was only proposing out of charity, she firmly refused him.

Taking Hilary, she swept off to take up a teaching post in Brussels, despite the political disturbances on the Continent. Sir Derek, exasperated by her independence, still made certain that both girls entered the highest circles of English society in the city. Soon they were surrounded by suitors, but on the eve of Waterloo the girls found themselves confronting unexpected danger and there was only one person they could turn to - Sir Derek...