Vivi, the Duchess of Bradford, loved her husband from the day they first met. She was an unabashed hoyden. He was the heir to a dukedom and her older brother’s best friend. She vowed to marry him, but she never could have imagined just how dreadfully that youthful promise would go awry, shattering her hope for a future.

A murdered opera singer. A duke drenched in her blood. For Bow Street Officer Hugh Marsden, the brutal killing is a straightforward case. Ever since his exile from polite society, the chance to arrest a high and mighty peer of the realm has never presented itself. Hugh won't snub the opportunity now. But Audrey Sinclair, the Duchess of Fournier, is certain her husband is wrongly accused, and she's determined to prove it to the arrogant Bow Street officer, even if she must employ her most peculiar ability—or perhaps curse—to guide her investigation. After all, a duchess can do as she pleases.

Miss Amelia Fleming has a very good reason to hate the Earl of Langley. A year ago, her father drowned in the Thames after losing a fortune to Langley at cards. Now her family is broke, her fiance has broken their engagement, and the debt still hasn't been paid. Someone has to deal with the earl, but Amelia's brother doesn't have the nerve and her mother has fled to France. It's no business for a gently bred young lady, but the Earl of Langley is about to learn that Amelia Fleming is not your typical young lady . . .

Marianne Edgewood is perfectly capable of running Brindale Castle, if only the task would be left to her. A centuries-old house of stone is solid, unchanging, whereas people are not to be relied upon. It matters little that a stranger inherited the castle. She must simply find a way to stay.

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. 

When Veronica said "I do" to Sebastian Sinclair, Duke of Edgefield, she thought all her dreams had come true. He was dashing and doting, and she absolutely adored him—until he betrayed her trust, shattering their marriage, and her heart, into a million tiny bits. She hasn't seen her husband in the two years since, and she'd just as soon make it twenty. But when she learns that her beloved grandfather's dying wish is for her and Sebastian to attend the family's Christmastide celebration, she swallows her pride and asks him a favor: to pretend they're the happy couple they once were.

Lady Emmaline Fitzhugh, a hopeless romantic, is tired of sitting with the wallflowers, waiting for her betrothed to come to his senses and marry her. When Emmaline reads one too many reports of his scandalous liaisons in the gossip rags, she takes matters into her own hands.

Trevor Hunt, the Duke of Ridgely, has been called many things, most of which are true. Reviled by his family, hated by many, he's earned his reputation in the seedy streets of London and more than his fair share of bedchambers. But battling deadly foes and irate husbands failed to prepare the duke for the most troublesome role he's played yet: guardian to one maddening hoyden.

Daughter of an earl, Lady Hildegard Templeton hasn't conformed to what society expects from a woman of her station. Industrious and unique, she's created an emboldened organization for women on the cusp of marriage, The Duchess Society. Called a bluestocking to her face and worse behind closed salon doors, she vows to marry for love. And nothing but. Although the emotion has yet to show itself to her. Until she meets him.

When Felicity Thurston is caught alone with a man at a ball, she must marry him to avoid a ruined reputation. But what she doesn't know is that he's the brother of the man she loves.  

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.

After losing her fiancé to a terrible accident, Miss Katherine Blackmore found contentment as a matchmaker to the members of Society. Working alongside her sisters, they strive to secure the most unlikely people with love matches. Everything is perfect until an infuriating lord steps into her office, turning her world upside down. Edward Simpson, the Marquess of Berkshire, has a problem. His sister needs to marry, and quickly. When he approaches Miss Blackmore to hire her services, he does so poorly and ends up soundly insulting her. Luckily, he fares better with his second attempt.

Miss Dinah Ashmore has a problem: her sister has gone missing, and the constable isn’t taking it seriously. She decides to take matters into her own hands by hiring a Bow Street Runner, not understanding the danger she has put herself in. Nathaniel Calvert, Earl of Hawthorne, is an agent of the Crown. His assignment is to root out a radical group and bring them to justice. When Miss Ashmore mistakes him as a Bow Street Runner and explains her plight, he suspects that the missing sister might be connected to his case.

When Miss Henrietta Dixon wants something, she finds a way to have it. When an incident in London sends her and her sister to Bath, she can think of no better opportunity to reunite her sister with the man she has always loved by inviting him to stay at the last available townhouse next door in the Royal Crescent. Her plan is coming along splendidly, until the earl of Guildford walks—or rather, saunters—into town, and steals it from under her nose.

Although Celeste Montgomery was forced into a marriage a year ago, her husband is more often gone than home, and she is living a quiet life. Until Investigator Owen Gregory shows up at her home to tell her some outrageous news: Her husband has been murdered...and he was also a bigamist, making her the third of three wives.