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.

When German bombs set London ablaze, BBC radio correspondent Hugh Collingwood reports on the Blitz, eager to boost morale while walking the fine line between truth and censorship. But the Germans are not the only ones Londoners have to fear as a series of murders flame up amid the ashes. The deaths hit close to home for Hugh, and Aleida needs his help to locate her missing son. As they work together, they grow closer and closer, both to each other and the answers they seek. But with bombs falling and continued killings, they may be running out of time.

In the search for the truth, the line between fact and fiction is beginning to fall out of focus It is 1903, and Lily Temple is a beautiful silent-film actress who spins fairy tales and plays frivolous roles in front of the cine-camera. But beneath the costumes and stage makeup is a woman with a quick wit, a murky past, and a tantalizing secret. As an underground investigator to the wealthy, Peter Driscoll has been tasked with locating the legendary Briarwood Teardrop, an exquisite sapphire that has been missing for years—and which Lily happens to be wearing beneath her gown.

All of her life, Irish American Moira Doherty has relished her mother's descriptions of Ireland. When her mother dies unexpectedly in the summer of 1920, Moira decides to fulfill her mother's wish that she become the teacher in Ballymann, her home village in Donegal, Ireland.   

Vibrant and scrappy Maggie McCleod tried not to get fired from her wartime orchestra, but her sharp tongue landed her in trouble, so an overseas adventure with the USO’s camp show promises a chance at a fresh start. Wealthy and elegant Catherine Duquette signs with the USO to leave behind her restrictive life of privilege and to uncover the truth behind the disappearance of the handsome pilot whose letters mysteriously stopped arriving. The two women are joined by an eclectic group of performers.

A tenant farmer’s son had no business daring to dream of a future with an earl’s daughter, but that couldn’t keep Amos Darby from his secret friendship with Charlotte Terrington…until the reality of the Great War sobered youthful dreams. Now decades later, he bears the brutal scars of battles fought in the trenches and their futures that were stolen away. His return home doesn’t come with tender reunions, but with the hollow fulfillment of opening a bookshop on his own and retreating as a recluse within its walls.

Upon uncovering her tyrannical father’s malevolent plot to commit her to an asylum, Beth Rutledge fabricates a plan of her own. She will rescue her mother, who had already been sent to the asylum, and escape together on a wagon train heading west. Posing as sisters, Beth and her mother travel with the pioneers in hopes of making it to Idaho before the others start asking too many questions.

Constable Jackson Forge intends to make the world safer, or at least the streets of Victorian London. But that's Kit Turner's domain, a swindler who runs a crew that acquires money the old-fashioned way - conning the rich to give to the poor. When a local cab driver goes missing, Jackson is tasked with finding the man, and the only way to do that is by enlisting Kit's help. If Jackson doesn't find the cabby, he'll be fired. If Kit doesn't help Jackson, he’ll arrest her for thievery. Yet neither of them realize those are the least of their problems.

Dawn Dixon can hardly believe she's on a groomless honeymoon on beautiful Cape Cod...with her mother. Sure, Marnie Dixon is good company, but Dawn was supposed to be here with Kevin, the love of her life (or so she thought). Marnie Dixon needs some time away from the absolute realness of life as much as her jilted daughter does, and she's not about to let her only child suffer alone - even if Marnie herself had been doing precisely that for the past month.

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.

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.

Shaken by her parents’ divorce and discouraged by the growing chasm between herself and her serious boyfriend, Nikki Werner seeks solace at her uncle’s farm in a small Missouri hamlet. She’ll spend the summer there, picking up the pieces of her shattered present so she can plan a better future. But what awaits her at the ancestral farm is the past—one she barely knows.

Christian O’Brady was pulled into a life of crime at a young age by his con artist parents. Now making amends for his corrupt past, he has become one of the country’s foremost security experts. When a string of Southwestern art heists targets one of the galleries Christian secured, he is paired up with a gifted insurance investigator who has her own checkered past.

A warrant service in the San Bernardino Mountains goes horribly wrong when an IED blast kills four police officers. Devastated by the loss of her team, the lone survivor, Long Beach Sergeant Jodie King, struggles with her guilt and grief, especially as the case remains open with no clear leads or suspects. Weeks after the explosion, Jodie retires from the police department and returns to the mountain bomb site seeking peace and resolution...only to find herself in the crosshairs once again.

Anna Lakeman has spent her life working alongside her paleontologist father, drawing intricate sketches at every dig. When they find dinosaur bones near their home in Wyoming Territory, they're given the opportunity of a lifetime and are swiftly caught up in the competitive era of the Bone Wars. But after her father becomes sick and Joshua Ziegler, an old beau, returns for the summer, Anna's world is upended, and the practical, orderly life she has made for herself shatters.