As a chill sets in on New York City in the winter of 1888, a jewel thief dubbed the Robin Hood of the Lower East Side has been stealing from the city's wealthiest and giving to the poor. Genevieve Stewart - a young woman whose family is part of Mrs. Astor's famed 400 but who has forged a life of her own as a reporter - decides to chase the story, but gets more than she bargained for: a murder victim sprawled in a dark alley in the dangerous Five Points neighborhood.

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.

Hours later, the man’s cold body lies in the city mortuary, alongside the woman he couldn’t save. And his sister, unconventional nurse Gemma Tate, tracks down troubled police inspector Sebastian Bell to unravel the truth. Sebastian has enough pressure to solve the murder of an aristocratic heiress without Gemma meddling in his case. But the cryptic sentences she brings him from her brother’s notebook could be a crucial lead. If only they knew what “milky way” meant.

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.

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?

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.   

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.

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?

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.

London, 1880. Kat Holloway, highly sought-after young cook to the wealthy of London, finds herself embroiled in murder when she’s accused of poisoning her employer, the loathsome Sir Lionel Leigh-Bradbury. Her only help as she works to clear her name comes from the mysterious Daniel McAdam, a handsome man-of-all-work who seems to know everyone and always happens to be in the right place at the right time.