The grandson of an unconventional marquis and son of a notorious woman, Elijah Watson, Marquis of Ridgefeld, has spent most of his life outside of London. His atypical upbringing has left him longing for roots and a traditional family life, and he's determined to live his life above reproach. When he meets Miss Samantha Pengarden, he believes he's found the woman he wants to marry - except she has other far more sensual ideas for him.

Known throughout the ton as the illegitimate rebellious daughter of London's disreputable Craven House Madame, Samantha has never had to face the world without her shy twin by her side - until now. Her sister's marriage and the return of her blackguard father leaves her alone and adrift. When Elijah agrees to escort her to the town's most infamous establishments, she thinks she's finally found a man with a taste for scandal and a knowledge of matters of the flesh.

But she never counted on Elijah being so honorable. When Samantha is listed as the mistress of the Marquis of Ridgefeld in White's betting book, her reputation is in ruins - and only Elijah can save her. Can two total opposites come together for a love certain to last a lifetime?