Lord Frederick Aveline, otherwise known as Derick, has successfully kept up appearances as an English nobleman. What no one knows is that he's a full-blooded Frenchman--a double agent for the British against the French. But there is something else no one knows about Derick. Deciding to leave behind his days of espionage, he's arrived home in Derbyshire to finish one final order of business: to find an expose a dangerous traitor in their midst.