Thea Knight loves a spot of mischief. She especially loves her current mischief: masquerading as her sister, while finalizing her scheme to expose the dastardly knaves whose lies ruined her life. Then big, bad-tempered Lord Luxborough upends her game by maneuvering her into marriage. But it's her sister’s name on the license, so the marriage won’t be valid. Thea’s idea? Keep pretending to be her sister until she can run away.

As a con woman who has spent her entire life fending for herself on the streets of London, Rose Wakefield knows how to scam a gentleman out of his money without ever getting caught. That's until she knocks on the wrong earl's door and is faced with Carver Ashburn Earl of Kensworth and not the notorious rake she thinks she is approaching. Carver is a good man, but even a good man will not pass up an opportunity to escape his grief. What better way to avoid his feelings than to play into a con woman's ruse and offer to marry her?

Lady Ludmilla Windmere is mortified. The spinster extraordinaire has fallen in love with her best friend, and that cannot be. The problem? She hasn't met him. Not once. For they have only ever corresponded by letter. When she sets out to uncover his identity, her world shatters. For Addy turns out to be none other but London's worst rake. Adrian St. Addington is perturbed. The rakehell extraordinaire is developing a marked tendre for a spinster, and that cannot be. The problem? She might be mistaking him for someone he is not. Or, what is worse, know precisely who he is.

An expert in etiquette, Emma takes her pristine reputation most seriously. But the devilish Lord Marlowe is determined to prove that some rules of proper behavior are made to be broken....

For years, he was known only as Blackrose's Blade, an elite assassin in the employ of the Crown. But after a mission cost him the use of his leg, Rourke Lindsay has unexpectedly inherited a dukedom . . . and along with it, the headache of a pair of hellion twins. Now, he's in dire need of a miracle. He just didn't expect her to be quite so tempting.