In the steam-fuelled world of Victorian London, if you're not a blue blood vampire of the Echelon then you're nothing at all. With their puppet Queen, army of metal drones and their blood taxes, the Echelon crush all who oppose them. Lena Todd makes the perfect spy. Nobody suspects the flirtatious debutante could be a sympathizer for the humanist movement opposing London's vicious blue blood elite. Not even the ruthless Will Carver, the one man she can't twist around her little finger, and the one man whose kiss she can't forget...