After a routine delivery, midwife Sarah Brandt visits her patient in a rooming house and finds that another boarder, a young girl, has been killed. At the request of sergeant Frank Malloy, she searches the girl's room and discovers that the victim is from one of the most prominent families in New York - and the sister of an old friend. The powerful family, fearful of scandal, refuses to permit an investigation. But with Malloy's help, Sarah begins a dangerous quest to bring the killer to justice before death claims another victim.

Like most women, Elizabeth Miles assumes many roles; unlike most, hers have made her a woman on the run. Living on the edge of society, Elizabeth uses her guile to relieve so-called respectable men of their ill-gotten gains. But brutal and greedy entrepreneur Oscar Thornton is out for blood. He's lost a great deal of money and is not going to forgive a woman for outwitting him. With his thugs hot on her trail, Elizabeth seizes the moment to blend in with a group of women who have an agenda of their own.

June 1933. Independent, young Kitty Underhay has been left in charge of her family’s hotel, The Dolphin, on the tranquil English coast. But when several rooms are broken into and searched, including Kitty’s own, she quickly realizes that something out of the ordinary is afoot at the hotel. Soon, rumors are flying in the cozy town that someone is on the hunt for a stolen ruby. A ruby that Kitty’s mother may well have possessed when she herself went missing during the Great War.

Following the death of her husband, Lady Darby has taken refuge at her sister's estate, finding solace in her passion for painting. But when one of the house guests is murdered, her brother-in-law asks her to aid the insufferable Sebastian Gage - a fellow guest with some experience as an inquiry agent. While Gage is clearly more competent than she first assumed, Kiera isn't about to let her guard down, as accusations and rumors swirl.

The Earl of Wrexford possesses a brilliant scientific mind, but boredom and pride lead him to reckless behavior. He does not suffer fools gladly. So when pompous, pious Reverend Josiah Holworthy publicly condemns him for debauchery, Wrexford unsheathes his rapier-sharp wit and strikes back. As their war of words escalates, London's most popular satirical cartoonist, A. J. Quill, skewers them both.

When the body of a young man is found stuffed into the tomb of a medieval knight, Parish Constable Daniel Haze is tasked with investigating his first solo murder case. Suspicion instantly falls on the only stranger to arrive in the village of Birch Hill just before the crime took place, but the American captain proves to be an unexpected asset. A former soldier and a skilled surgeon, Jason Redmond is not only willing to assist Haze with the investigation but will risk his own safety to apprehend the killer.

Twenty-six-year-old Beatrice Hyde-Clare is far too shy to investigate the suspicious death of a fellow guest in the Lake District. A spinster who lives on the sufferance of her relatives, she would certainly not presume to search the rooms of her host's son and his friend looking for evidence. Reared in the twin virtues of deference and docility, she would absolutely never think to question the imperious Duke of Kesgrave about anything, let alone how he chose to represent the incident to the local constable. And yet that's exactly what she does.

December 1899. After the death of her beloved grandmother, Cleopatra Fox moves into the luxury hotel owned by her estranged uncle in the hopes of putting hardship and loneliness behind her. But the poisoning of a guest on Christmas eve throws her new life, and the hotel, into chaos. Cleo quickly realizes no one can be trusted, not Scotland Yard and especially not the hotel’s charming assistant manager.

Kate Ardleigh is everything the Victorian English gentlewoman is not - outspoken, free-thinking, American...and a writer of the frowned upon penny dreadfuls. Soon after her arrival in Essex, England, a body is unearthed in a nearby archeological dig - and Kate has the chance to not only research her latest story but to begin her first case with amateur detective Sir Charles Sheridan.

England. 1923. After a year away at finishing school where she learned etiquette, deportment, and the difference between a fish fork and a salad one, Kitty Worthington is eager to return home. But minutes after she and her brother Ned board the Golden Arrow, the unthinkable happens. A woman with a mysterious connection to her brother is poisoned, and the murderer can only be someone aboard the train. When Scotland Yard hones on Ned as the main suspect, Kitty sets out to investigate.

The year 1940: Her mother just killed in a blackout accident, and her rector father and brother MIA in France, Wilhelmina Harkness finds herself homeless, penniless, and the recipient of an unwanted marriage proposal for “propriety’s sake”. Instead of being married off, she leaves small village life behind, reinvents herself as “Billie”, and accepts her aunt’s invitation to live with her in Kingston-Upon-Hull...a coastal industrial town about to be bombed relentlessly by the Germans.

Librarian Sylvia Ashe knows nothing about her past, having grown up without a father and a mother who refused to discuss him. When she stumbles upon a diary that suggests she's descended from magicians, she's skeptical. After all, magicians are special, and she's just an ordinary woman who loves books. She seeks answers from a member of the most prominent family of magicians, but she quickly learns that finding the truth won't be easy, especially when he turns out to be as artless as her, and more compelling and dangerous than books.

She's an unconventional lady who has traveled the world, practices the art of self-defense most excellently, and has an interesting tattoo in—ahem—a very unusual place. He's a former member of the Metropolitan Police, now a private investigator, who grew up on the poverty-ridden streets of Edinburgh and has worked the dangerous back alleys of London's notorious East End. A vicious murder brings them together in a race against time that takes them from the sordid back streets of London into the elite private clubs of the powerful and rich.

The daughter of a baronet and minor heiress, Rosalind Thorne was nearly ruined after her father abandoned the family. To survive in the only world she knew, she began to manage the affairs of some of London society's most influential women, who rely on her wit and discretion. So when artistocratic wastrel Jasper Aimesworth is found dead in London's most exclusive ballroom, Almack's, Rosalind must use her skills and connections to uncover the killer.

When a maid in the upper class Ellison household is strangled, Inspector Pitt is called in to investigate. He finds a world ruled by strict manners and social customs, where the inhabitants of the Ellison's neighborhood appear to be more outraged by the thought of scandal than they are by murder. Inspector Pitt finds a most unlikely ally in Charlotte, the Ellison's spirited daughter. But as the murders continue, Charlotte and Pitt find themselves drawn together by more than the investigation.

Molly Murphy always knew she'd end up in trouble, just as her mother predicted. So, when she commits murder in self-defense, she flees her cherished Ireland, under cover of a false identity, for the anonymous shores of late 19th-century America. When she arrives in New York and sees the welcoming promise of freedom in the Statue of Liberty, Molly begins to breathe easier. But when a man is murdered on Ellis Island, a man Molly was seen arguing with, she becomes a prime suspect in the crime.

When her father disappears in war-torn Mississippi, Hannah Dandridge finds herself responsible not only for her younger siblings but also for the Texas ranch her father recently acquired. A marriage of convenience could ease her predicament, but is it the true desire of her heart? Wounded soldier William Barnett returns home only to find out that his family’s ranch has been seized. He’s surprised to discover that it is a beautiful young woman with amazing fortitude who is struggling to keep the place running.

Former cop Trevor Garth left the line of duty, but his expert instincts are sharper than ever when crime strikes the Colton ranch. As ranch security, he has to step in - yet this time getting justice is personal. Mistaken for a Colton heiress and stolen from her crib, his daughter's in the hands of a killer out for ransom. Gabriella Colton doesn't think twice about joining Trevor's search for his daughter. Now, when every second counts, their dangerous investigation draws them closer to each other... and their darkest threat.

For former private investigator Dana Miller, there can be no peace of mind until she finds the person who killed her husband. Now a single mother to three boys, Dana wants closure. But it turns out she’ll need to form an alliance with the man she holds responsible for the death. And uncovering answers may mean bringing down the program her husband believed in. Rick Sanchez has no intention of letting Dana destroy all the good he and Ken Miller worked for.

Cyril Avery is not a real Avery - or at least that's what his adoptive parents tell him. And he never will be. But if he isn't a real Avery, then who is he? Born out of wedlock to a teenage girl cast out from her rural Irish community and adopted by a well-to-do if eccentric Dublin couple via the intervention of a hunchbacked Redemptorist nun, Cyril is adrift in the world, anchored only tenuously by his heartfelt friendship with the infinitely more glamourous and dangerous Julian Woodbead.

The Clayborne brothers were a rough gang of street urchins - until they found an abandoned baby girl in a New York City alley, named her Mary Rose, and headed to Blue Belle, Montana, to raise her to be a lady. They became a family - held together by loyalty and love, if not blood - when suddenly a stranger threatened to tear them apart.

Mrs. Laetitia Rodd, aged 52, is the widow of an archdeacon who makes her living as a highly discreet private investigator. Her brother, Frederick Tyson, is a criminal barrister living in nearby Highgate with his wife and 10 children. Frederick finds the cases, and Laetitia solves them using her arch intelligence and her immaculate cover as an unsuspecting widow. When a case arises involving the son of the highly connected Sir James Calderstone, Laetitia sets off for Lincolnshire undercover as the family's new governess.

Lady Barbara Jeffords is certain her little sister didn't murder the footman, no matter how it looks...and no matter what the Marquess of Beningbrough - Ben - might say. Sparks fly as Ben and Barbara compete to defend their loved ones. But as strange new clues emerge that neither can decipher alone, they have no choice but to compare notes and sleuth in tandem. A tenuous bond develops that soon faces its toughest challenge when Ben himself becomes a suspect.

It is 1644, and Parliament’s armies have risen against the King and laid siege to the city of York. Even as the city suffers at the rebels’ hands, midwife Bridget Hodgson becomes embroiled in a different sort of rebellion. One of Bridget’s friends, Esther Cooper, has been convicted of murdering her husband and sentenced to be burnt alive. Convinced that her friend is innocent, Bridget sets out to find the real killer.

Oxford, 1960. There's a murderer on the loose, and two unlikely heroes are poised to solve the case. Meet Probationary WPC Trudy Loveday - smart, enthusiastic and always underestimated. In the hope of getting her out of the way, Trudy’s senior officer assigns her to help coroner Clement Ryder as he re-opens the case of a young woman's death. She can't believe her luck – she is actually going to be working on a real murder case.

When a maid in the upper class Ellison household is strangled, Inspector Pitt is called in to investigate. He finds a world ruled by strict manners and social customs, where the inhabitants of the Ellison's neighborhood appear to be more outraged by the thought of scandal than they are by murder. Inspector Pitt finds a most unlikely ally in Charlotte, the Ellison's spirited daughter. But as the murders continue, Charlotte and Pitt find themselves drawn together by more than the investigation.

In 1866, tragedy strikes the exclusive Windfield School when a young student drowns in a mysterious accident. His death and its aftermath initiate a spiraling circle of treachery that will span three decades and entwine many lives. From the exclusive men’s clubs and brothels that cater to every dark desire of London’s upper class to the dazzling ballrooms and mahogany-paneled suites of the manipulators of the world’s wealth, one family is splintered by a shared legacy.

Charles Lenox, Victorian gentleman and armchair explorer, likes nothing more than to relax in his private study with a cup of tea, a roaring fire and a good book. But when his lifelong friend Lady Jane asks for his help, Lenox cannot resist the chance to unravel a mystery. Prudence Smith, one of Jane's former servants, is dead of an apparent suicide. But Lenox suspects something far more sinister: murder, by a rare and deadly poison.

A modern woman in 1907, Lady Dunbridge is not about to let a little thing like the death of her husband ruin her social life. She's ready to take the dazzling world of Gilded Age Manhattan by storm. From the decadence of high society balls to the underbelly of Belmont horse racing, romance, murder, and scandals abound. Someone simply must do something. And Lady Dunbridge is happy to oblige.

The morning after Irene says goodnight to her old journalist friend O'Connor, he is killed suddenly upon opening a letter bomb. As the smoke clears, a devastated Irene determines to find the mail-bomber by tracing threads of an unsolved crime from 1955 - the same cold case O'Connor had been obsessed with.