Both Miranda Cabot and her sister Honor prefer their solitude to romance, Miranda having watched her husband die in flames on the Potomac River rocks called the Three Sisters. Not so the youngest, Sybil, who invites a mysterious Frenchman calling himself the Chevalier du bon Arnaque to stay with them in their mansion overlooking the Sisters.

Misgivings about the stranger's intentions lead Miranda and Honor to ask their neighbors Dieter Heiliger and his grandson Corey to chaperone. Three beautiful, strong-willed women living in a house with three handsome, virile men results inevitably in an intricate web of jealousy, sex, and intrigue. Add in long-lost master artworks, stolen prototypes and a resident genius and you have a recipe for romance. Who will end up with whom, and will the Three Sisters take another life as the legend calls for?