"She was 'the Swan.' London's premiere courtesan ... When the jealous wife of her lover moves to have the Swan banished from her home ... she winds up crashed against Spain's rocky coast with no shoes, no clothes ... Taken in by a ... man known as The Artist, the Swan comes to know the woman she wants to be--her artist's siren. When Art Professor Brenna Anderson is in danger of losing her post at Harvard, the ... professor is at a loss of how to salvage the shreds of her life. But when a new painting in the mysterious Siren collection is discovered in a dusty old house in France, Brenna does the unthinkable--hops on a plane to uncover the identity of the beautiful, enigmatic woman who is the subject of the paintings"--