It is every mama's dearest wish that her daughter marries well. But how to ensure that a seemingly earnest suitor is not merely a fortune hunter? Rosalind is involved in just such a case, discreetly investigating a client's prospective son-in-law, when she is drawn into another predicament shockingly close to home.

Rosalind is pleased when she's invited to Cassel House to help her friend Louisa prepare for her upcoming wedding. But that's not the only event on her agenda. The trip will also afford Rosalind the chance to see Devon Winterbourne, the newly minted duke of Casselmaine. Devon and Rosalind were on the verge of betrothal before the infamous Thorne family scandal derailed their courtship. Now Rosalind wonders if there's a chance their love might reignite.   

Trust is a delicate thing, and no one knows that better than Rosalind Thorne. Lady Melbourne has entrusted her with recovering a packet of highly sensitive private letters stolen from her desk. The contents of these letters hold great interest for the famous poet Lord Byron, who had carried on a notorious public affair with Lady Melbourne's daughter-in-law, the inconveniently unstable Lady Caroline Lamb. Rosalind is to take up residence in Melbourne House, posing as Lady Melbourne's confidential secretary. There, she must discover the thief and regain possession of the letters.

When the family receives a second photograph of their daughter, who is quite obviously dead, their simple inquiry becomes a murder investigation. But this is no routine investigation as another photograph is received, and another body is found. As more bodies turn up, and with no known motive, Brodie and Mikaela must confront the fact that the murderer is brilliant, disturbingly talented, and quite possibly insane. What drives this cold-blooded killer to capture the last moments of their victims with such haunting clarity?

Tabitha, Lady Chesterton, the Countess of Pembroke, is newly widowed at only 22 years of age. With no son to inherit the title, it falls to a dashing, distant cousin of her husband's, Jeremy Chesterton, known as Wolf. It quickly becomes apparent that Wolf had consorted with some of London's most dangerous citizens before inheriting the title. Can he leave this world behind, or will shadowy figures from his past follow him into his new aristocratic life in Mayfair? And can Tabitha avoid being caught up in Wolf's dubious activities?

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.

A murdered opera singer. A duke drenched in her blood. For Bow Street Officer Hugh Marsden, the brutal killing is a straightforward case. Ever since his exile from polite society, the chance to arrest a high and mighty peer of the realm has never presented itself. Hugh won't snub the opportunity now. But Audrey Sinclair, the Duchess of Fournier, is certain her husband is wrongly accused, and she's determined to prove it to the arrogant Bow Street officer, even if she must employ her most peculiar ability—or perhaps curse—to guide her investigation. After all, a duchess can do as she pleases.

Singapore, 1910 - Desperate for a fresh start, Harriet Gordon finds herself living with her brother, a reverend and headmaster of a school for boys, in Singapore at the height of colonial rule. Hoping to gain some financial independence, she advertises her services as a personal secretary. It is unfortunate that she should discover her first client, Sir Oswald Newbold - explorer, mine magnate, and president of the exclusive Explorers and Geographers Club - dead with a knife in his throat.

Sussex, 1881. Lady Helena Scott-De Quincy's marriage to Sir Justin Whitcombe, three years before, gave new purpose to a life almost destroyed by the death of Lady Helena's first love. After all, shouldn't the preoccupations of a wife and hostess be sufficient to fulfill any aristocratic female's dreams? Such a shame their union wasn't blessed by children...but Lady Helena is content with her quiet country life until Sir Justin is found dead in the river overlooked by their grand baroque mansion.

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.

In the sleepy village of Cookingdean, Dr Nell Ward is busy working in the grounds of a local manor house. Whilst inspecting an old tunnel, she did not expect to overhear a murder. As the only person with any clues as to what happened, Nell soon finds herself in the middle of the investigation. Desperate to clear her name Nell, along with her colleague Adam, set out solving the murder using their skills as ecologists to uncover details no one else would notice. But it soon becomes clear that playing Agatha Christie is much harder than it might, at first appear.

As the London Daily Gazette’s popular gossip columnist, she is extremely adept at sneaking into houses, assuming disguises and overseeing a vast network of spies to ensure she stays abreast of the beau monde’s comings and goings. If it sometimes seems as though she was hiding behind the settee during a particularly fierce quarrel between a husband and his wife, it’s most likely because she was hiding behind the settee during their fierce quarrel.

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.

Lady Emily Hardcastle is an eccentric widow with a secret past. Florence Armstrong, her maid and confidante, is an expert in martial arts. The year is 1908 and they've just moved from London to the country, hoping for a quiet life. But it is not long before Lady Hardcastle is forced out of her self-imposed retirement. There's a dead body in the woods, and the police are on the wrong scent. Lady Hardcastle makes some enquiries of her own, and it seems she knows a surprising amount about crime investigation...

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.