For Sebastian Townshend, son of the eighth Earl of Edgewood, England is a distant and bitter memory. After unintentionally killing his best friend in a duel and being disowned by his family, Sebastian left, vowing never to return, and forged a reputation for himself on the continent as a mercenary the deadly soldier of fortune known as the Raven.
Now, eleven years later, Lady Margaret Landor pays a visit to his ruined castle in the north of France, intent on hiring the Raven to investigate suspicious occurrences back in England. But she can barely conceal her shock upon meeting the handsome killer face to face for the Raven is none other than her former neighbor, Sebastian Townshend. The mission for which she intends to hire him involves investigating death threats against his estranged father. Though unmoved, Sebastian agrees to accompany Margaret back to England posing as her husband, which will facilitate his reentry to society but only if she pays him an exorbitant fee a fee that, once he learns of the lady's inability to pay, is eventually changed to a sexual trade. As the unlikely "newlyweds" uncover the intrigue at Edgewood, a love begins to blossom that neither Sebastian nor Margaret anticipated and that neither of them can resist.