An English spy is distracted by a noble beauty while hunting for a traitor in this sensual Regency romance series opener by a USA Today–bestselling author. Mystifying kisses . . . It was a most coveted invitation—a glittering ball attended by all the important people of the ton. But Mariah, a ravishing beauty thought by all to be the catch of the season, never expected to find true love amid the shadows. The mysterious man she meets there ignites a passion within her she never thought possible. When he starts a clandestine midnight courtship in her bedroom, Mariah is scandalized—and enthralled. From a man who knows just what he desires . . . Harry Sinclair is a man of secrets who would do anything to protect those in his charge. But when he lays eyes on the stunning Mariah, duty and desire collide. Though every man in London lusts for her, he knows the fiery attraction between them is unparalleled. But in a world where trust can turn to treason and scandal can topple the throne, Harry and Mariah will fight a perilous fight for their precious love—and their lives.