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.

Lucy Bell burns with determination. Convinced an arrogant aristocrat is to blame for her expulsion from her beloved school, the penniless girl sets out to visit her best friend to help her undo the catastrophe. But when a storm on the road leaves her in a compromising position with a handsome gardener, she is swept away by his gruff kindness.

Once the most charming rake in London, John Aubin lost everything when he overheard a powerful earl’s fraudulent dealings. Branded a liar and cast out of society, he now lives under an assumed name, working in the very orphanage the earl owns. But Aubin’s purpose isn’t charity—it’s revenge. Sober and focused for the first time in his life, he plans to expose the earl’s corruption and reclaim his good name. Nothing will stand in his way—until he meets her.

In the eyes of London Society, Gillian Phelps is suitable enough. Though the ton whispers about her change of residence, any speculation remains just that: ballroom gossip. No one—not even the other Huntresses, the group of ladies she calls her dearest friends—knows that she is harboring a devastating family secret. Gillian has become adept at hiding the reality of her circumstances, but the close quarters of a house party will test her ability to conceal the crushing truth. And with so many people to deceive, the late arrival of another guest is a most unwelcome surprise.

Georgiana Allen is a spinster, and everybody knows it. She also happens to be one of the writers for the Spinster Chronicles, and everybody knows that, as well. She’s accepted her lot in life, and along with the other spinsters in her circle, takes great pride in the articles she writes and the influence she has. Then, Captain Anthony Sterling infiltrates their group and her life, and Georgie impossibly begins to hope, once more.

Determined to support her mother and sisters after her father's untimely death, Charlotte Mandeville covertly crafts satirical caricatures of high society. It not only puts money in her family’s bare pockets, but ensures the haut-ton cannot guard all the power and the secrets. Anthony Yorke has a guilty conscience and a brother to exonerate. When the key piece of evidence to clear his brother's name falls into the hands of a headstrong young woman, he is willing to do whatever is required to obtain it from her.

When faced with an unwanted marriage, Alice Rosemeyer accepts an invitation to the estate of Larkhall. Determined to earn her future security without a husband, she begins operating as the anonymous Ace of Hearts, writing letters and offering advice on behalf of the men eager to secure a match at the close of the London season. If she can manage to keep her identity secret, her reputation intact, and avoid the arrogant house guest, Mr. Thomas Herring, she might just call herself successful.

She's on the run from her cruel guardian... And Miss Adelaide has found the perfect hiding spot in the home of the formidable Earl of Tolston. But masquerading as a maid comes at a cost. One day she faints on the job, and when she wakes... She's in the arms of the Earl. His eyes are dark as he glowers down at her, but then he says, "What are you hiding, little one?"

Gregory Dinard, a young and inexperienced duke, finds himself in need of a companion to help him navigate the intricacies of his new role. Uncertain of his abilities and unwilling to take a chance at love, he looks for a marriage of mutual benefit rather than a match of mutual affection.

Rose Portman, determined spinster, has a bit of a predicament. Her great aunt has challenged her to get married before Twelfth Night and promised that, if she does, Rose will inherit the perfect country cottage with the funds to maintain it. Rose has always wanted to get away from London and Society, and this could be her chance! But the catch is that Rose has to attend a holiday house party in York and find a husband among the guests. Worst of all… she must marry for love.

Richard Graham cannot believe his luck when his great-aunt promises him a fortune if he’s married by Twelfth Night. He can finally clear his father’s debts and save his beloved Belside Manor. Miss Ruth Steele meets all the marriageable requirements his aunt insisted upon, but he’ll need the help of her clever and beautiful sister, Grace, to win the quiet woman over. Not only is Grace a dear friend to his younger sister, with loyalties to his family estate, but she also happens to owe him a generous favor.

Louisa Cox is tired of fortune hunters pursuing her dowry. So when Lady Kellen offers to help her find an eligible suitor, Louisa accepts and makes a list of what she wants in a husband. The man selected is barrister Paul Sheldon. He has one thing in his favor: he is unaware of her fortune. What Louisa did not anticipate was his curious behavior—or being so attracted to him. When Paul catches wind of the matchmaking organization his mother and her friends are establishing, he pities the fellow who will be caught in their scheme—until he realizes he is to be their first victim.

Born with a perfect memory, Lady Elizabeth Beckett has become one of the world's most notorious spies, despite being the daughter of a duke. She is shielded only by her code name: Shadow. When young ladies of High Society begin disappearing from London, Eliza has no doubt who is orchestrating these crimes; a heinous man she has been investigating for years. Vowing to save them before they are sold to the highest bidder, she must risk everything to stop him.

Charles Ellsworth is a young Englishman on his triumphant Grand Tour when the dissolution of his family fortunes and his own recklessness leave him stranded and in debt. He enters service as a tutor in the household of M. Tremblay, with nothing but his wits and the kindness shown him by an elderly maid to depend on. Pretty Jeanne Martineau played ingenue roles with a traveling theatre company before the manager absconded with the receipts. Now she works as a maid for the rakish M. Tremblay to avoid starvation, but escaping his groping hands requires she don the disguise of a hideous old woman.

Grace Sinclair has been callously cast out of her home. And though taken in as an orphaned child by the vicar and his wife, her unsurpassed beauty makes it impossible for her to remain in the vicar’s household - with two daughters of their own about to enter Society, the vicar and his wife see Grace as nothing but competition. Thankfully, Grace’s estranged Aunt Bell has agreed to take her in to her home in London. But Grace soon learns her situation has just gotten much worse.