Margaretta Fortescue desperately needs to disappear from London, and her only hope is to follow the rumors of another young woman who recently made a life for herself away from the glare of society. Her search leads her to the market town of Marlborough, where she can't seem to elude local solicitor Nash Banfield. All Nash Banfield wants is a quiet, sedate life—no risks or surprises. When Margaretta, clearly on the run and unwilling to answer questions, interrupts his solitude, his curiosity and his principles won't let him leave this determined woman without assistance.

Miss Amelia Stalwood may live in London at her absent guardian's townhouse, but she's never actually met any nobility; instead of aristocrats, her closest friends are servants. Quite by happenstance, she's introduced to the Hawthorne family and their close family friend, Anthony, the reformed Marquis of Raebourne. They welcome her into their world, but just as she's beginning to gain some confidence and even suspect that she may have caught Anthony's eye, she's blindsided by an unexpected twist in her situation accompanied by nasty rumors.

Despite the fact that her daughter is not cooperating, Caroline, Duchess of Riverton, is determined to ensure every one of her children marries someone they love as much as she loved their late father. William, the widowered Earl of Blackstone, is delighted to have his days of escorting daughters approaching an end.

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.

Miss Gwendolyn Brinley accepted a temporary paid companion position for the Newport summer season, believing it would be a lark to spend the summer in America's most exclusive town. She suddenly finds her summer turning anything but amusing when her employer expects her to take over responsibilities as an assistant matchmaker. Tasked with the daunting prospect of attaining advantageous matches for her clients, Gwendolyn soon finds herself in the company of Mr. Walter Townsend, the catch of the Season, but a gentleman Gwendolyn finds beyond annoying.

When their father's death leaves them impoverished, Sarah Summers and her genteel sisters fear they will be forced to sell the house and separate to earn livelihoods as governesses or companions. Determined to stay together, Sarah convinces them to open their seaside home to guests to make ends meet and provide for their ailing mother. Instead of the elderly invalids they expect to receive, however, they find themselves hosting eligible gentlemen. Sarah is soon torn between a growing attraction to a mysterious Scottish widower and duty to her family.

When Miss Rebecca Lane returns to her home village after a few years away, her brother begs for a favor: Go to nearby Swanford Abbey and deliver his manuscript to an author staying there who could help him get published. Feeling responsible for her brother's desperate state, she reluctantly agrees.

1906: Lady Elizabeth “Libby” Sinclair, with her love of microscopes and nature, isn’t favored in society. She flees to the beautiful Isles of Scilly for the summer and stumbles onto the dangerous secrets left behind by her holiday cottage’s former occupant, also named Elizabeth, who mysteriously vanished. Oliver Tremayne - gentleman and clergyman - is determined to discover what happened to his sister, with the help of the girl now living in what should have been Beth’s summer cottage...especially when he realizes it’s the curious young lady he met briefly two years ago.

As a once happily married woman, Rebecca Parker lived a charmed life, but now widowed and working for a living, she feels alone and lives a mundane existence. That is until the day a valet speeding by on a horse nearly runs her off the road. Mr. Malcolm Henry is apologetic, gentle, and very handsome. She’s instantly drawn to him, which is why, rather than stopping him from kissing her, she finds herself kissing him back, reigniting a nearly forgotten passion in her. But love at first sight only happens in fairy tales—never to an ordinary woman like her.

Cassandra Hale grew up knowing little about her parentage, and she had made peace with the fact that she never would. But her world shifts when a shocking deathbed confession reveals a two-year-old letter from Mr. Clark, the master of Briarton Park, with hints to her family's identity. Stung by betrayal, Cassandra travels to the village of Anston only to learn Mr. Clark has since passed away.

Lady Philippa must wed to gain her fortune and freedom. A former soldier wants only peace and seclusion. Marriage to each other is their best solution. While the two put on a show of marital happiness for their neighbors, both realize they want much more from this arrangement. Can they take a marriage of convenience and turn it into a love match?

After years of escaping etiquette lessons in favor of the stables, Christine Devon's grand debut in London is only weeks away, though her deportment lacks the sophisticated polish she needs to achieve her goals of a lofty marriage. Desperate to take her place in society, she needs someone to instruct her in proper behavior. Thomas Gilbert, newly returned from Italy, is ready to begin his dream of founding a horse farm. But during his time away, the estate's finances have dwindled to almost nothing. A chance meeting between them may solve both their problems.

Hannah Kent and Oliver Jennings pledged their hearts to each other as children. Now, years later, Hannah is thrilled to receive an invitation to spend the summer at Oliver’s family’s country estate. The path to wedded bliss is clear - so long as Oliver’s highbrow older brother, Damon, has ceased his juvenile antics, Hannah’s future looks bright indeed. But from the moment Hannah arrives at Summerhaven, nothing is as she expected. Oliver seems disinterested in renewing their acquaintance, and Damon is not the brutish boy she remembers but a man intent on avoiding marriage.

Three years into the Great War, England's greatest asset is their intelligence network - field agents risking their lives to gather information, and codebreakers able to crack every German telegram. Margot De Wilde thrives in the environment of the secretive Room 40, where she spends her days deciphering intercepted messages. But when her world is turned upside down by an unexpected loss, for the first time in her life numbers aren't enough.

Patrick O'Neill survived a hardscrabble youth to become a lawyer for the downtrodden Irish immigrants in his community. He's proud of his work, even though he struggles to afford his ramshackle law office. All that changes when he accepts a case that is sure to emphasize the Blackstones' legacy of greed and corruption by resurrecting a 30-year-old mystery. Little does Patrick suspect that the Blackstones will launch their most sympathetic family member to derail him.