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.

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.

Peter Holstein writes his popular series of adventure novels under a pen name. With European politics boiling and his own neighbors suspicious of him, Peter debates whether it might be best to change his name for good. When Rosemary shows up at his door pretending to be a historian and offering to help him trace his family history, his question might be answered. But as the two work together and Rosemary sees his gracious reaction to his neighbors' scornful attacks, she wonders if her assignment is going down the wrong path.

In 1942, Evie Farrow is used to life on Ocracoke Island, where every day is the same—until the German U-boats haunting their waters begin to wreak havoc. And when special agent Sterling Bertrand is washed ashore at Evie's inn, her life is turned upside down. While Sterling's injuries keep him inn-bound for weeks, making him even more anxious about the man he's tracking, he becomes increasingly intrigued by Evie, who seems to be hiding secrets of her own.

Cordelia Owens can weave a hopeful dream around anything and is well used to winning the hearts of everyone in Savannah with her whimsy. Even when she receives word that her sweetheart has been lost during a raid on a Yankee vessel, she clings to hope and comes up with many a romantic tale of his eventual homecoming to reassure his mother and sister.

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.

Kasia grew up in a poor Jewish home with more siblings than luxuries. But when a chance encounter forces her to the palace of Xerxes, she becomes a concubine to the richest man in the world. She alone, of all Xerxes's wives, loves the man beneath the crown. She alone, of all his wives, holds the heart of the king of kings. Traveling with Xerxes through Europe as he mounts a war against Greece, Kasia knows enemies surround her, but they're not the Spartans or Athenians. The threat lies with those close to the king who hate her people.

For Hudson, the newly titled Viscount Stildon, moving to England from India where he was born and raised was already an arduous enough endeavor. When he learns the fate of the racing empire he inherited along with his title depends upon him getting in the good graces of another stable owner, he's even more at a loss. The stable at the neighboring estate has been Miss Bianca Snowley's refuge for years, and when a strange man appears to be stealing the horses, she jumps to their protection without a second thought.

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.

Abigail was born free, but when her parents die, she's sold into slavery to the family of a Roman soldier in Jerusalem. Fortunately, the Visibullis family is kind, and as years pass, she's proud to serve them. But Abigail's beauty attracts unwanted attention when their son, Jason, returns from Rome. She doesn't dare to defy him...but how can she ever love him as he demands? As Jerusalem boils with political unrest and the stories of a rabbi named Jesus who snags Jason's attention, Abigail struggles to find her new place in the family.

Winter Reeves is an aristocratic Patriot forced to hide her heart amid the Loyalists of the City of New York. She has learned to keep her ears open so she can pass information on British movements to Robbie Townsend, her childhood friend, and his spy ring. Bennet Lane returns to New York from his Yale professorship with one goal: to find General Washington's spy hidden among the ranks of the elite. Both believers...and both committed to a separate cause. Will their faith in God lead them to a shared destiny or lives lived apart?

Brook Eden has never known where she truly belongs. Though raised in the palace of Monaco, she's British by birth and was brought to the Grimaldis under suspicious circumstances as a babe. When Brook's friend, Justin, uncovers the fact that Brook is likely a missing heiress from Yorkshire, Brook leaves the sun of the Mediterranean to travel to the moors of the North Sea, to the estate of her supposed family.

In 1783 peace has been declared, but war still rages in the heart of Lark Benton. Never did Lark think she’d want to escape Emerson Fielding, the man she’s loved all her life. But when he betrays her, she flees Williamsburg for Annapolis, taking refuge in the nation’s temporary capital. There lark throws herself into a new circle of friends who force her to examine all she believes. Emerson follows, determined to reclaim his betrothed. Surprised when she refuses to return with him, he realizes that in this new nation he has come to call his own, duty is no longer enough.

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.

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.

Brook Eden has never known where she truly belongs. Though raised in the palace of Monaco, she's British by birth and was brought to the Grimaldis under suspicious circumstances as a babe. When Brook's friend, Justin, uncovers the fact that Brook is likely a missing heiress from Yorkshire, Brook leaves the sun of the Mediterranean to travel to the moors of the North Sea, to the estate of her supposed family.

Peter Holstein writes his popular series of adventure novels under a pen name. With European politics boiling and his own neighbors suspicious of him, Peter debates whether it might be best to change his name for good. When Rosemary shows up at his door pretending to be a historian and offering to help him trace his family history, his question might be answered. But as the two work together and Rosemary sees his gracious reaction to his neighbors' scornful attacks, she wonders if her assignment is going down the wrong path.

Winter Reeves is an aristocratic Patriot forced to hide her heart amid the Loyalists of the City of New York. She has learned to keep her ears open so she can pass information on British movements to Robbie Townsend, her childhood friend, and his spy ring. Bennet Lane returns to New York from his Yale professorship with one goal: to find General Washington's spy hidden among the ranks of the elite. Both believers...and both committed to a separate cause. Will their faith in God lead them to a shared destiny or lives lived apart?

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.

Libby Sawyer and her father return from summer vacation to find another family living in their home. Widower Michael Dobrescu brought his family all the way from Romania to stake a decades-old claim on their house, and he has no plans to leave. As a contentious legal battle drags on, Libby finds herself drawn to Michael and his mysterious past. But she’ll soon have to choose between her family and a man with decidedly unclear intentions.

For Hudson, the newly titled Viscount Stildon, moving to England from India where he was born and raised was already an arduous enough endeavor. When he learns the fate of the racing empire he inherited along with his title depends upon him getting in the good graces of another stable owner, he's even more at a loss. The stable at the neighboring estate has been Miss Bianca Snowley's refuge for years, and when a strange man appears to be stealing the horses, she jumps to their protection without a second thought.

Lucy Drake's mastery of Morse code has made her a valuable asset to the American news agencies as a telegrapher. But the sudden arrival of Sir Colin Beckwith at rival British news agency Reuters puts her hard-earned livelihood at risk. Newly arrived from London, Colin is talented, handsome, and insufferably charming. Despite their rivalry, Lucy realizes Colin's connections could be just what her family needs to turn the tide of their long legal battle over the fortune they were swindled out of 40 years ago.

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.

With Britain caught up in WWI, Jack Benningham, heir to the Earl of Stonebrooke, has declared himself a conscientious objector. Instead, he secretly works for the Crown by tracking down German spies on British soil, his wild reputation and society status serving as a foolproof cover. Blinded by patriotism and concern for her brother on the front lines, wealthy suffragette Grace Mabry will do whatever it takes to assist her country's cause.

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.

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.

Gray Delacroix has dedicated his life to building his very successful global spice empire, but it has come at a cost. Resolved to salvage his family before it spirals out of control, he returns to his ancestral home to save his brother and sister before it's too late. As a junior botanist for the Smithsonian, Annabelle Larkin has been charged with the impossible task of gaining access to the notoriously private Delacroix plant collection. If she fails, she will be out of a job and the family farm in Kansas will go under.

Alice McNeil resolved at a young age to travel through life unencumbered by love or marriage, free to make her own decisions. A seasoned telegrapher, she's recently acquired a coveted position at an important trading firm, but when the company's ambitious junior director returns to London, things begin to change in ways Alice could never have imagined. For Douglas Shaw, years of hard work and ingenuity enabled him to escape a life of grinding poverty. He's also determined to marry into high society - a step that will ensure he never returns to the conditions of his past.

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.

Missionary Julia Foster loves working alongside her parents, but when the family must return to England due to illness, she readily accepts the burden for her parents' financial support. Taking on a job at Highland Hall as governess, she quickly finds that teaching her four ill-mannered charges at a grand estate is more challenging than expected.