In the last novel about the Greifenklau family, the plot unfolds against the backdrop of the Franco-Prussian War, swiftly moving to Paris, Algiers, Berlin, and finally to the gates of Sedan. The solution to all the mysteries of the past is now within reach. This narrative is set in 1870. It is an adaptation of the serialized novel "The Love of the Uhlan." "The Lords of Greifenklau" is the final part of a four-volume series. Part 1: "The Road to Waterloo," Part 2: "The Secret of the Marabut," Part 3: "The Spy of Ortry." The title is also available as an eBook.