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.

Mount Mellyn stood as proud and magnificent as she had envisioned. But what about its master—Connan TreMellyn? Was Martha Leigh's new employer as romantic as his name sounded? As she approached the mansion towering above the cliffs of Cornwall, an odd chill of apprehension overcame her. TreMellyn's young daugher proved as spoiled and difficult as the three governesses before Martha had discovered. But it was the girl's father whose arrogant demeanor unleashed unfamiliar sensations and turmoil—even as whispers of past tragedy and present danger begin to insinuate themselves into her life.

London, 1861. Samantha Kingston has lived under the control of her overbearing uncle since the death of her parents six years ago. Trapped by the conventions of her gender and social class, she is desperate to find a way out. But when her aunt and uncle are murdered, the freedom she sought seems even further out of reach. A suspect in the crime, she finds herself on the run, unsure whom to trust, lost in the underworld she had only ever read about in the pages of a Dickens novel.

When Nicole Rayburn travels to Lockwood Hall and begins to research Alys’s story for a new book, she discovers startling irregularities in Alys’s case. Nicole’s suspicions mount as every answer leads to more questions. What really happened to Alys? And what became of her son, who disappeared the day she was hanged? Could it be that Alys’s death was the result of a well-planned conspiracy, or is there another, less obvious answer? And who is trying to sabotage Nicole's efforts by stealing her work?

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.

Spring, 1918. The Great War is at a crucial stage, the Germans are making one last push into France, and the Allies are struggling to hold them back. Battle lines are shifting, and men, and their machines, are being sent up and down the front to shore up defenses. Major Heathcliff Lennox, and his batman Greggs, are told to report to their new HQ. They set off on a sunlit day to fly the distance, but the enemy is never far away, and disaster strikes. They're sent crashing to the ground behind enemy lines, where life, death, and love await.

Raina Bretton is a rag woman in London's East End when a handsome stranger appears in a dank alley and offers her a glittering smile and a chance for adventure. Rothburne Abbey has a unique position for her, one that will take her away from her hardscrabble life and give her a chance to be a lady. Things she could only dream of might be coming true. But some dreams turn out to be nightmares. Though Raina has traded squalor for silk and satin, something about the abbey is deeply unsettling.

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.

After her elder brother’s mysterious death, Rebecca Hunter vows to expose the man she believes responsible: Mr. Lewis Browning - known by the locals as the Midnight Devil and by Rebecca as her new guardian. Summoned to his reclusive country estate to await her London season, Rebecca plans her own secret investigation among the darkened corridors of the mysterious Greybourne Hall. Yet Lewis Browning is not as she once imagined, and his motivation is horribly unclear.

In 1920s England, private detective Henry Fleming is visiting his friend, retired author Lily Riley, in the quintessentially English village of Fulbridge. Tragedy strikes when a resident is murdered, stabbed through the heart, in the historic local church. When an inexperienced Scotland Yard detective arrives to investigate the case, Lily is accused of the terrible crime. With no sign of a murder weapon, and no obvious motive, Fleming realises it will fall to him to prove his friend's innocence and solve the baffling case.

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.

Miss Busby helped Major Heathcliff Lennox solve a series of murders at Bloxford in the Cotswolds. Now, she finds herself drawn into a new murder, but this time, it's just her, and she must rely on her sharp mind and sharper wits to catch a Cotswolds killer, along with a handsome police inspector and a reporter who's keen to make her mark.

At the end of his Grand Tour, somewhere between Athens and Constantinople, Christian Selwyn, the young Earl of Hazelmere, vanished—seemingly without trace. Time passes. In London, his uncle and cousin move into his home, while his unofficial fiancée, Sophia, is left desolate and in limbo.

1813. Lizzie's beloved older sister Esme is sold in marriage to the ageing Lord Blountford to settle their father's debts. One year later, Esme is dead, and Lizzie is sent to take her place as Lord Blountford's next wife. Arriving at Ambletye Manor, Lizzie uncovers a twisted web of secrets, not least that she is to be the fifth mistress of this house. Marisa. Anne. Pansy. Esme. What happened to the four wives who came before her? In possession of a unique gift, only Lizzie can hear their stories, and try to find a way to save herself from sharing the same fate.