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.

His name, they tell him, is William Monk, and he is a London police detective. But the accident that felled him has left him with only half a life; his memory and his entire past have vanished. As he tries to hide the truth, Monk returns to work and is assigned to investigate the brutal murder of a Crimean War hero and man about town. Which makes Monk’s efforts doubly difficult, since he’s forgotten his professional skills along with everything else.

On vacation from London on the beautiful Italian coast, 28-year-old Elena Standish and her older sister Margot have finally been able to forget some of the lasting trauma of the Great War. Touring with her camera in hand, Elena has found new inspiration in the striking Italian landscape, and she's met an equally striking man named Ian. Not ready to part from one another, she and Ian share a train trip home to England. But a shocking murder disrupts their agenda, forcing Elena to personally deliver a message to Berlin that could change the fate of Europe.

Mariah Ellison, Charlotte Pitt's grandmother, accepts her longtime friend Winnie's gracious invitation to spend Christmas with her and her husband, Barton, in their picturesque village. But upon arrival, Mariah discovers that Winnie has vanished without a trace, and Barton rudely rescinds the invitation. Once Mariah finds another acquaintance to stay with during the holiday season, she begins investigating Winnie's disappearance.

Scuff has come a long way from his time as a penniless orphan scraping together a living on the banks of the Thames. Now he's studying medicine at a free clinic run by Dr. Crowe. Lately Crowe has grown distracted after witnessing an altercation between a former patient of his named Ellie—a woman he not only treated but grew to love—and her controlling fiancé. It seems someone is forcing Ellie to marry the man, and as Crowe's emotions come flooding back, he sets out to uncover the troubling connection between Ellie, her father, and her betrothed.

It's Christmas and the well-born guests who have gathered at Applecross for a delicious weekend of relaxation are warmed by roaring fires, mistletoe, and gorgeously wrapped gifts. It's scarcely the setting for misfortune, and no one - not even that clever young aristocrat and budding sleuth Vespasia Cumming-Gould - anticipates the tragedy that is to darken this light-hearted holiday house party. But soon one young woman lies dead, a suicide, and Vespasia must uncover the heartbreaking truth behind the tragedy.

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.

At the end of her first unsuccessful season out in society, Lady Georgiana has all but given up on attracting a suitable man - until she receives an invitation to a masked Halloween ball at Broxley Manor. Georgie is uncertain why she was invited, until she learns that the royal family intends to marry her off to a foreign prince, one reputed to be mad.

It's 1811, and the threat of revolution haunts the upper classes of King George III's England. Then a beautiful young woman is found savagely murdered on the altar steps of an ancient church near Westminster Abbey. A dueling pistol found at the scene and the damning testimony of a witness both point to one man - Sebastian St. Cyr, Viscount Devlin, a brilliant young nobleman shattered by his experience in the Napoleonic Wars.

England, 1920. Eleanor Swift has spent the last few years travelling the world: taking tea in China, tasting alligators in Peru, escaping bandits in Persia and she has just arrived in England after a chaotic 45-day flight from South Africa. Chipstone is about the sleepiest town you could have the misfortune to meet. But then, from the edge of a quarry, through the driving rain, Eleanor is shocked to see a man shot and killed in the distance. Before she can climb down to the spot, the villain is gone and the body has vanished.

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.

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.

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.

Ian Rutledge returns to his career at Scotland Yard after years fighting in the First World War. Unknown to his colleagues he is still suffering from shell shock, and is burdened with the guilt of having had executed a young soldier on the battlefield for refusing to fight. A jealous colleague has learned of his secret and has managed to have Rutledge assigned to a difficult case which could spell disaster for Rutledge whatever the outcome. A retired officer has been murdered, and Rutledge goes to investigate.

Sarah Woolson has always dreamed of becoming a lawyer. The trouble is that, in 1880, everyone believes a woman belongs in the home, married and taking care of babies. Using her brains and a little bit of subterfuge, Sarah somehow manages to finagle her way into one of the city's most prestigious law firms, becoming an associate attorney and acquiring her very first client, a lovely young society matron accused of brutally stabbing to death her wealthy but abusive husband.