Bow Street's best investigator, Sir Brook Derring, is hailed as a hero by the ton, but he cares little for the praise or the women. He fell in love once, with Lady Lillian-Anne Lennox, and shortly thereafter lost all romantic notions. As the eldest daughter of the duke of Lennox, Lila has everything but the freedom to follow her heart. All that is taken away when she's kidnapped by a London crime lord, but she knows that someone must be looking for her.

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....

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.

Lady Augusta Penworthy is in dire straights. Her father has spent every last coin, and she and her sisters cannot even afford coal. One chance encounter and a torn gown changes everything. While one might think a sudden marriage to a wealthy lord a relief if that marriage is to the Duke of Blacktower, one would be vastly mistaken. For no young lady wishes to be that infamous rake's bride.

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.