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.

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 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.

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.

Much to her father's dismay, Miss Amelia Buxton aspires to become a spinster, just like her eccentric aunt. Growing up with parents who married for every reason but love, she has never seen a joyful marriage. When Amelia requests a summer trip to the legendary waters of Brighton, her father allows her the excursion, but with one requirement: She must return engaged, or agree to the proposal of the man of his choosing.  

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.  

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.

The arrival of Thomas Campbell and his elder brother has the small village of Beauford astir. Not only is Thomas tall, dark, and handsome, he is also rumored to be a most notorious rake. Miss Claire Gardner is young, innocent, and completely infuriating. Yet given an opportunity, Thomas can't help teaching the headstrong beauty a lesson in desire.

As the eldest son of the Duke of Langford, Nathaniel Gresham sees his arranged marriage to Lady Violet Devere as just another obligation to fulfil – highly suitable, if unexciting. But as Violet sets out to transform herself from dowdy wallflower to dazzling young duchess-to-be, proper Nathaniel sets out to prove he's a match for his new bride's vivacity and daring.

Margaret Easton needs a husband, and she needs one now. Her parents are convinced that only a European will do, but Margaret wants nothing more than to stay in England. The trouble is that there is only one man Margaret can think of, or rather, one she cannot forget, and he wouldn’t do as a husband at all. Then she finds herself in his care unexpectedly, and her hunt becomes even more complicated than she could have ever imagined.

Jasper Sutton—London’s most dedicated scoundrel—needs a wife, and he needs one quickly. He needs one yesterday, in fact. His requirements are precise: she must be capable of mothering the wild twin daughters who have unexpectedly appeared in his life, and so must possess the patience of a saint and the understanding of an angel. Better still if she is plain and has no expectation of a true marriage. He is not about to reform his ways.

At the end of his Grand Tour, somewhere between Athens and Constantinople, Christian Selwyn, the young Earl of Hazelmere, vanished—seemingly without trace. Time passes. In London, his uncle and cousin move into his home, while his unofficial fiancée, Sophia, is left desolate and in limbo.

He was intrigued...Nathaniel Hammond, Earl of Beverton, is working to restore his new estate and aid his tenants. But everything changes when he meets the beautiful and mysterious Moira Dennison, a bold young woman who offers to hire him, unaware of his title, to help her find her fiancé. Curious and unable to resist, Nathan accepts her offer, keeping his true identity a secret, never dreaming of what the future held for him.

When Lady Margaret Blake and her sister lose their parents in a boating accident, they are left to the guardianship of their uncle. Disregarding their feelings for the price their beauty will fetch on the Marriage Mart, he arranges a match for both. Lady Margaret, however, takes her fate into her own hands. Returning home after war to assume his responsibilities, Luke, Duke of Waverley, expects a nice, quiet life on his country estate. Within hours of stepping foot in England, though, he stumbles upon a young woman being attacked, and no sooner does he rescue her than she runs away. 

Oliver Dasenby is the most infuriating man Primrose Garland has ever known. He may be her brother's best friend, but he has an atrocious sense of humor. Eight years in the cavalry hasn't taught him solemnity, nor has the unexpected inheritance of a dukedom. But when Oliver inherited his dukedom, it appears that he also inherited a murderer. Oliver might be dreadfully annoying, but Primrose doesn't want him dead. She's going to make certain he survives his inheritance - and the only way to do that is to help him catch the murderer!