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.

Secrets are meant to be kept. Especially when the truth will change everything. Since the death of her mother, Abigail Blakeslee has lost any desire to become a debutante and enter Society. But now, foregoing her first Season has brought an unwanted invitation to join her aunt and cousins for a summer at Timpton House, the large estate of the Stanton family.

Julia Cummings has long been acquainted with loss - her mother, her brother, her sister, her friend, all gone too soon. But the loss that pushed her grief to the limit as a young girl was that of her best friend, Lucas Jonquil, who abandoned her without looking back. Now, eight years later, Lucas has returned to Lampton Park, and Julia has steeled herself - she will never forgive the man who broke her heart.

Georgiana Paige is on the shelf after eight full Seasons in London and not a single offer of marriage. When the opportunity to act as companion to her spinster aunt presents itself, she jumps at the chance to escape the Marriage Mart and embark on a new adventure. Upon her eventful arrival in the tiny Yorkshire village, though, she finds herself confronted with a man who both piques her interest and provokes her pride.

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.

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.

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.

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.

Elena MacKinnon has spent the last seven years training to become a proper English lady. When her childhood friend, Captain Theo Donovan, returns from serving in the Navy, he brings along with him Elena’s humiliation for the ill-advised and ardent love letter she wrote him before his departure, which he ignored entirely. Elena hopes to simultaneously stifle his memory of the letter and make him regret overlooking her, showing him just how fine an English lady she can be. The only problem? She is not English but a proud Scot—and her heart may be more enamored with Theo than ever.

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.

Patience Whitford spent the last two seasons watching her elder sisters make grand matches. She is thoroughly apprehensive with the notion of being limited by marriage. But that seems like an inconsequential concern with no prospects on the horizon to follow in her sisters' footsteps. And to make matters worse, she is uncommonly jealous of all of the military officers she's befriended and their grand adventures. When Major Ashley Stuart is assigned to investigate some petty crimes near his brother's estate in Greenwich, it soon becomes apparent that there is something much larger going on.

Honora Crauford relishes her life in India. So when her father informs her of his latest business transaction—marrying her off to a bankrupt nobleman in England—her only hope for returning home is to convince her betrothed that a marriage to her comes at a cost that not even the greatest fortune can justify. Graham Whitworth can hardly believe his wretched luck. It seems the only way to save his family’s insolvent estate is to comply with his father’s demands and marry the wealthy nabob’s daughter. But when Honora missteps, Graham discerns her farce and begins to see who she truly is.

Left with an estate on the brink of bankruptcy after their father's death, Lady Marigold Fairfax and her brother open a private investigation firm marketed to the elite . . . to spy on the elite. Dubbed The Imposters, Ltd., their anonymous group soon becomes the go-to for the crème of society when they want answers delivered surreptitiously. But the many secrets Marigold learns about her peers pale in comparison to her shock when she and her brother are hired to investigate her best friend's father as a potential traitor.

Lord Farnsworth would rather rot in debtor’s prison than sell the one place that feels like home to him—his mother’s manor. That is, until he meets the woman who wants to buy it. Sally Duncan is beautiful, intelligent, and as rich as a baron—a rich baron, not a cash-strapped one like Lord Farnsworth. She’s the solution to every one of his financial problems and is bewitching to boot. All he needs to do is sell her his beloved manor and then charm her to the altar, and the manor will be his again. Simple, right?

When the charming man Laura encounters at a ball turns out to be the very gentleman intended for her cousin, Laura is forced to ignore her absurd hopes and enact a ruse that will lead Mr. Huntington to pursue her cousin. With everyone’s expectations placed upon her and her position at Linwick Manor at stake, there is no room for error. Especially when Mr. Huntington’s intentions begin to shift to Laura.