Dr. Rosalind Werner is at the forefront of a groundbreaking new water technology - if only she can get support for her work. Nicholas, Commissioner of Water for New York, is skeptical - and surprised by his reaction to Rosalind. While they fight against their own attraction, they stand on opposite sides of a battle that will impact thousands of lives.

Romulus White has tried for years to hire illustrator Stella West for his renowned scientific magazine. She is the missing piece he needs to propel his magazine to the forefront of the industry. But Stella abruptly quit the art world and moved to Boston with a single purpose: to solve the mysterious death of her beloved sister. Romulus, a man with connections to high society and every important power circle in the city, could be her most valuable ally.

Anna O'Brien leads a predictable and quiet life as a map librarian at the illustrious Library of Congress until she stumbles across the baffling mystery of a ship disappeared at sea. Thwarted in her attempts to uncover information, her determination outweighs her shyness and she turns to a dashing congressman for help. Luke Callahan was one of the nation's most powerful congressmen before his promising career was shadowed in scandal. Eager to share in a new cause and intrigued by the winsome librarian, he joins forces with Anna to solve the mystery of the lost ship. 

Despite her misgivings, Kate agrees to Trevor's risky proposal to join him in his work to find a cure for tuberculosis. As Kate begins to unlock the mysteries of Trevor's past, his hidden depths fascinate her. But a shadowy enemy lies in wait, and Trevor's closely guarded secrets are darker than she ever suspected. As revelations from the past threaten to destroy their careers, their dreams, and even their lives, Trevor and Kate find themselves in a painfully impossible situation. With everything to lose, they must find the strength to trust that hope and love can prevail over all.

It has been six years since army nurse Jenny Bennett's heart was broken by a dashing naval officer. Now Lieutenant Ryan Gallagher has abruptly reappeared in her life at the Presidio army base but refuses to discuss the inexplicable behavior that destroyed their happiness. Ryan is in an impossible situation. One of the few men in the world qualified to carry out a daring assignment, he accepted a government mission overseas.

As a child, Lydia Pallas became all too familiar with uncertainty when it came to the future. Now, she's finally carved out a perfect life for herself - a life of stability and order with no changes, surprises, or chaos of any kind. She adores her apartment overlooking the bustling Boston Harbor, and her skill with languages has landed her a secure position as a translator for the U.S. Navy. However, it is her talent for translation that brings her into contact with Alexander Banebridge, or "Bane", a man who equally attracts and aggravates her.

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. 

New York, 1879: After an epic snow storm ravages the city of Albany, Dr. Mary Sutter, a former Civil War surgeon, begins a search for two little girls, the daughters of close friends killed by the storm who have vanished without a trace. Mary's mother and niece Elizabeth, who has been studying violin in Paris, return to Albany upon learning of the girls' disappearance - but Elizabeth has another reason for wanting to come home, one she is not willing to reveal. Despite resistance from the community, who believe the girls to be dead, the family persists in their efforts to find the two.

Once London's top thief, Barclay Pearce has turned his back on his life of crime and now uses his skills for a nation at war. But not until he rescues a clockmaker's daughter from a mugging does he begin to wonder what his future might hold. Evelina Manning has constantly fought for independence, but she certainly never meant for it to inspire her fiance to end the engagement and enlist in the army. When the intriguing man who saved her returns to the Manning residence to study clockwork repair with her father, she can't help being interested.

Ringo Devereux knows far too much for a man of his times. There's no simple explanation for it that doesn't involve improbable conversations about the future, and Ringo's advanced understanding of three-phase generators and the secret histories of his city are not things he can discuss with the Victorian Londoners around him. Even his origins as an orphaned street thief are far too dangerous for a young gentleman of means to reveal. An encounter with a 10-year-old pickpocket, and a luncheon with Oscar Wilde and Arthur Conan Doyle draw Ringo back into the shadows of his criminal past.

Jessica Layton left her Oregon hometown - and her longtime love - for medical school with one thing on her mind: saving lives. Her frontier dreams were filled with more than rural domestic life, even if that life was with the man she was supposed to marry.… Now, years later, Cole Braddock is not pleased to see Dr. Jessica Layton back in Powell Springs. He’s never forgiven her for choosing her career over him. Cole knows that Jess can save their town, but will he let her heal his heart?

After a past family tragedy for which she holds herself to blame, Dr. Genevieve Summerford wants nothing more than to succeed in her new career as a psychiatrist, and win back the respect of her family and peers. That goal is thrown into jeopardy, however, when one of her patients is arrested for murder - a murder Genevieve fears she may have unwittingly provoked. Desperate to prove to herself and the authorities that her patient is innocent, she is forced to enlist the aid of an influential Tammany captain.

When a financial crisis in 1850s New York leaves three orphaned sisters nearly destitute, the oldest, Elise Neumann, knows she must take action. She's had experience as a seamstress, and the New York Children's Aid Society has established a special service: placing out seamstresses and trade girls. Even though Elise doesn't want to leave her sisters for a job in Illinois, she realizes this may be their last chance.

Desperate to avoid marriage, Nell Lillington refuses to divulge the name of her child's father and accepts her stepfather's decision that the baby be born at a Poor Farm and discreetly adopted. Until an unused padded cell is opened, and two small bodies fall out. Nell is the only resident of the Poor Farm who is convinced the unwed mother and her baby were murdered, and rethinks her decision to abandon her own child to fate. But even if she manages to escape the Poor Farm with her baby, she may have no safe place to run to.

Kaine Prescott is no stranger to death. When her husband died two years ago, her pleas for further investigation into his suspicious death fell on deaf ears. In desperate need of a fresh start, Kaine purchases an old house sight unseen in her grandfather's Wisconsin hometown. But one look at the eerie, abandoned house immediately leaves her questioning her rash decision. And when the house's dark history comes back with a vengeance, Kaine is forced to face the terrifying realization she has nowhere left to hide.