The descendant of adventuring-dead-aristocrats, Clarissa Knightley supplements a modest inheritance by penning gothic novels that cost more than they earn. Upon learning that she has mysteriously inherited a share of an earl's estate, she rashly packs up her household. In remote Gravesyde Priory, she hopes to find a safe haven and family who will welcome her and her young nephew. Instead, she discovers a drunken American army captain, his African servant, and ancient, surly caretakers.

November 1866: The grisly murder site in London's East End is thronged with onlookers. None of them expect the calmly efficient young woman among them to be a medical doctor, arrived to examine the corpse. Inspector Richard Tennant, overseeing the investigation, at first makes no effort to disguise his skepticism. But Dr. Julia Lewis is accustomed to such condescension . . .

Walter Atherton, Viscount Birtwell, has drifted through his charmed life without a care in the world. As the eldest son and heir to an earl, he has never had to make his way in the world. His days are filled with pleasure, and to set the seal on it, he will shortly be married to a vastly wealthy heiress. His future is set fair for happiness. But the brutal murder of the family chaplain reveals a dreadful secret, and Walter finds his whole future upended. What on earth is he to do now?

Lady Gemma Lively’s life as the darling of London’s fast set was carefree and fun, filled with exciting friends, daring fashions, and scandalous parties. But when the death of her father leaves her family with nothing but a dilapidated coaching inn at the end of the Earth, it’s up to Gemma to change their fate. She needs a rich husband immediately—but the only bachelor in sight is a devilishly distracting barkeep who doesn’t know the peerage from a pint glass.

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.

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?

John Fitzhugh Wyckerly has been the spare heir all his life, supporting himself with gambling and charm. The news that he's inherited the bankrupt title of earl of Danecroft shatters his indolent world. Even penniless, he's always paid his debts, but now the estate's creditors are closing in. He can fake his death and run for cover or accept overwhelming responsibility and find a rich wife - one who will also accept his illegitimate terror of a daughter.

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.

Seven months ago, Pallas Llewellyn, Talia March, and Amelia Rivers were strangers, until their fateful stay at the Lucent Springs Hotel. An earthquake and a fire partially destroyed the hotel, but the women have no memory of their time there. Now close friends, the three women co-host a podcast called the Lost Night Files, where they investigate cold cases and hope to connect with others who may have had a similar experience to theirs—an experience that has somehow enhanced the psychic abilities already present in each woman.

England, 1925. After years shut away from the world, former detective Lord Edgington of Cranley Hall plans a grand ball to celebrate his seventy-fifth birthday. But when someone starts bumping off members of his scheming family, the old man enlists his teenage grandson to help find the killer, before one of them is next.