In Regency London, an elopement is always fodder for gossip. But this time it may be cover for murder... Harriet Roth, a bookish spinster, lives a quiet, unassuming life; Tristram Gresham, a noted composer and even more noted roué, flaunts his disreputable reputation. When the two of them disappear, the scandalous implications are obvious to London's beau monde. But former spies Mélanie and Malcolm Rannoch, who are friends of both Harriet and Gresham, are sure something more complicated than an elopement is afoot. Especially because Harriet and Gresham left behind the dead body of an infamous international assassin in Gresham's fashionable bachelor rooms. How the missing couple were connected to the assassin is as puzzling as who killed him — and what brought him to London in the first place. But neither the quiet Harriet nor the rakish Gresham is what they seemed. Both are harboring secrets that people will kill to uncover. Trying to help their missing friends, the Rannochs enter a deadly game that runs from London's glamorous diplomatic community to the corridors of power in Westminster and Whitehall. Even Almack's exclusive assembly rooms hold deadly dangers—and avoiding scandal suddenly seems less important than simply staying alive...