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.

Newly returned from finishing school, Lady Juliette Thorndike is ready to debut in London society. Due to her years away, she hasn't spent much time with her parents, and sees them only as the flighty, dilettante couple the other nobles love. But when they disappear, she discovers she never really knew them at all. They've been living double lives as government spies-and they're only the latest in a long history of espionage that is the family's legacy.

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.

Cora Mae Stewart’s world collapses when Sherman destroys the Georgia cotton mill where she works and has her arrested for treason and sent North. Faced with impossible choices, she does what she must to keep a little girl safe in an inhospitable land. Convinced he won’t survive the war, Union Sergeant Ethan Howard determines to make his death count for something. But Cora Mae gives him a reason to live. Trouble is, he’s just arrested her on Sherman’s orders, and torn her from home and family.

Beauty has been nothing but a curse to Penelope Snow. When she becomes a personal maid for a famous actress whose troupe is leaving Chicago to tour the West, she hides her figure beneath shapeless dresses and keeps her head down. But she still manages to attract the wrong attention, leaving her prospects in tatters—and her jealous mistress plotting her demise.

Travel writer Amelia Balfour's dream of touring Egypt is halted when she receives news of a revolutionary new surgery for her grotesquely disfigured brother. This could change everything, and it does...in the worst possible way. Surgeon Graham Lambert has suspicions about the doctor he's gone into practice with, but he can't stop him from operating on Amelia's brother. Will he be too late to prevent the man's death? Or to reveal his true feelings for Amelia before she sails to Cairo?

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.

Emily Leland sheds no tears when her abusive husband is killed in a bar fight, but what awaits her back home in Sweetwater Crossing is far from the welcome and comfort she expected. First she discovers her father has died under mysterious circumstances. Then the house where the handsome new schoolteacher, Craig Ferguson, and his son are supposed to board burns, leaving them homeless. When Emily proposes turning the family home into a boardinghouse, her sister is so incensed that she leaves town.

Mary Bloomfield has no illusions. Her chances for matrimony have long since passed. Still, her circumstances are pleasant enough, especially now that she has found purpose in assisting her father with his medical practice in England's beautiful Lake District. Even without love, it's a peaceful life. That is until Adam Edgerton returns to the sleepy district. This decorated war hero did not arrive home to acclaim and rest, but to a new battle against the repercussions of an insidious disease. 

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.

Lady Charlotte Darrington’s path in life is clearly laid out before her: she will select a suitable husband, marry, and one day inherit her father’s Scottish dukedom. But a growing restlessness has her desperate for a bit of freedom before her all-too-certain future closes in. When the opportunity to travel to America arises, Charlotte leaps at the chance and soon finds herself across the Atlantic in Pittsburgh, Pennsylvania. Her American hosts and their friends couldn’t be more welcoming—all except one. The insufferable Dr. Galloway captures her eye—and her ire.

After studying art under Miss Drake, a renowned painter, Phoebe Radcliff is certain she can finally move beyond the childish mistake that’s kept her away from home. She is thrilled when Miss Drake employs her to complete a complicated ballroom renovation. Everything changes, however, the moment Miss Drake is murdered. With her last breath she imparts the location of a clue to Phoebe. Can the biggest secret of Avonthorpe Hall be true? Phoebe is tasked to finish her work in the ballroom by Miss Drake’s infuriatingly regimented yet all-too-handsome nephew, Lt. Graham Burke.

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.

Second daughter of a baron—and a little on the mischievous side—Ella Pemberton is no governess. But the pretense is a necessity if she ever wishes to get inside of Wyckhorn Manor and attain the truth. Exposing the man who killed her sister is all that matters. Lord Sedgewick knows there's blood on his hands. Lies have been conceived, then more lies, but the price of truth would be too great. All he has left now is his son—and his hatred. Yet as the charming governess invades his home, his safe cocoon of bitterness begins to tear away.

In this compelling new time-slip mystery, a little girl goes missing from her family’s castle in the Thousand Islands of New York. Eighty-five years later, a journalist teams up with a woman living on Koster Isle to find out what happened to Poppy, once and for all.