Just beyond the Gilded Age, in the mist-covered streets of New York, the deadly Spanish influenza ripples through the city. But with so many victims in her close circle, young socialite Allene questions if the flu is really to blame. All appear to have been poisoned - and every death was accompanied by a mysterious note.

London, 1923. Newly minted research assistant Saffron Everleigh is the first woman to hold the position at University College of London. When she attends a dinner party for the school, she expects to engage in conversations about the university's large expedition to the Amazon. What she doesn’t expect is for Mrs. Henry, one of the professors’ wives, to drop to the floor, poisoned by an unknown toxin. Dr. Maxwell, Saffron’s mentor, is the main suspect, and evidence quickly mounts.

Manhattan, 1850. Born out of wedlock to a wealthy socialite and a nameless immigrant, Cora Lee can mingle with the rich just as easily as she can slip unnoticed into the slums and graveyards of the city. As the only female resurrectionist in New York, she’s carved out a niche procuring bodies afflicted with the strangest of anomalies. Anatomists will pay exorbitant sums for such specimens—dissecting and displaying them for the eager public. Cora’s specialty is not only profitable, it’s a means to keep a finger on the pulse of those searching for her. She’s the girl born with two hearts....

Brooklyn, 1942. War rages overseas as brother and sister Will and Maggie Scripps contribute to the war effort stateside. Ambitious Will secretly scouts for the Manhattan Project while grief-stricken Maggie works at the Navy Yard, writing letters to her dead mother between shifts. But the siblings’ quiet lives change when they discover a beautiful woman hiding under their back stairs.

After a nearly fatal blow to the skull, traumatized private detective Ian Cameron is found dazed and confused on a muddy riverbank in Victorian London. Among his effects: a bloodstained business card bearing the name of a master wizard and a curious pocket watch that doesn’t seem to tell time. To retrieve his lost memories, Ian demands answers from Edwina and Mary Blackwood, sister witches with a murky past. But as their secret is slowly unveiled, a dangerous mystery emerges on the darkened streets of London.

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.

Lizzy Moon never wanted Moon Girl Farm. Eight years ago, she left the land that nine generations of gifted healers had tended, determined to distance herself from the whispers about her family’s strange legacy. But when her beloved grandmother Althea dies, Lizzy must return and face the tragedy still hanging over the farm’s withered lavender fields: the unsolved murders of two young girls, and the cruel accusations that followed Althea to her grave.

Hazel Sinnett is a lady who wants to be a surgeon more than she wants to marry. Jack Currer is a resurrection man who’s just trying to survive in a city where it’s too easy to die. When the two of them have a chance encounter outside the Edinburgh Anatomist’s Society, Hazel thinks nothing of it at first. But after she gets kicked out of renowned surgeon Dr. Beecham’s lectures for being the wrong gender, she realizes that her new acquaintance might be more helpful than she first thought.

Rhode Island, 1846. Estranged from his family, writer Merritt Fernsby is surprised when he inherits a remote estate in the Narragansett Bay. Though the property has been uninhabited for more than a century, Merritt is ready to call it home—until he realizes he has no choice. With its doors slamming shut and locking behind him, Whimbrel House is not about to let Merritt leave. Ever.

When Mackenzie, Sunna, and Maude move into a converted rental house, they are strangers with only one thing in common - important people in their lives have “ghosted” them. Mackenzie’s sister, Sunna’s best friend, and Maude’s fiancé - all gone with no explanation. So when a mangled, near-indecipherable letter arrives in their shared mailbox - hinting at long-awaited answers - each tenant assumes it’s for her.

A girl with a secret. Longbill Beach, 1982. Emily Vaughn gets ready for the prom. For an athlete, who is smart, pretty and well-liked, this night that should be the highlight of her high school career. But Emily has a secret. And by the end of the evening, that secret will be silenced forever. Forty years later, Emily’s murder remains a mystery. Her tight-knit group of friends closed ranks; her respected, wealthy family retreated inwards; the small town moved on from her grisly attack. But all that’s about to change.

London 1815. Newly widowed Lily Adler is returning to a society that frowns on independent women. At a ball thrown by her oldest friend, Lady Walter, she expects the scandal, gossip, and secrets. What she doesn't expect is the dead body in Lady Walter's garden. Lily overheard the man just minutes before he was shot: young, desperate, and attempting blackmail. But she's willing to leave the matter to the local constables - until Lord Walter bribes the investigating magistrate to drop the case. Stunned, Lily realizes she's the only one with the key to catching the killer.

Dorothea Truelove is young, wealthy, and beautiful. Ruth Butterham is young, poor, and awaiting trial for murder. When Dorothea's charitable work brings her to Oakgate Prison, she is delighted by the chance to explore her fascination with phrenology and test her hypothesis that the shape of a person's skull can cast a light on their darkest crimes. But when she meets one of the prisoners, the teenaged seamstress Ruth, she is faced with another strange idea.

Twenty years ago, Melanie Stokes was abandoned in a Boston hospital, then adopted by a wealthy young couple. Gifted with loving parents, a doting brother, and an indulgent uncle, Melanie has always considered herself lucky. Until the first cryptic, threatening note arrives: “You Get What You Deserve.” Melanie has no memory of her life before the adoption. Now someone wants her to remember it all - even the darkest nightmare the Stokes family ever faced: the murder of their first daughter.

You've lost your daughter. She's addicted to drugs and to an abusive boyfriend. And she's made it clear that she doesn't want to be found. Then, by chance, you see her playing guitar in Central Park. But she's not the girl you remember. This woman is living on the edge, frightened, and clearly in trouble. You don't stop to think. You approach her, beg her to come home. She runs.

Just beyond the Gilded Age, in the mist-covered streets of New York, the deadly Spanish influenza ripples through the city. But with so many victims in her close circle, young socialite Allene questions if the flu is really to blame. All appear to have been poisoned - and every death was accompanied by a mysterious note.

Manhattan, 1850. Born out of wedlock to a wealthy socialite and a nameless immigrant, Cora Lee can mingle with the rich just as easily as she can slip unnoticed into the slums and graveyards of the city. As the only female resurrectionist in New York, she’s carved out a niche procuring bodies afflicted with the strangest of anomalies. Anatomists will pay exorbitant sums for such specimens—dissecting and displaying them for the eager public. Cora’s specialty is not only profitable, it’s a means to keep a finger on the pulse of those searching for her. She’s the girl born with two hearts....

London, 1923. Newly minted research assistant Saffron Everleigh is the first woman to hold the position at University College of London. When she attends a dinner party for the school, she expects to engage in conversations about the university's large expedition to the Amazon. What she doesn’t expect is for Mrs. Henry, one of the professors’ wives, to drop to the floor, poisoned by an unknown toxin. Dr. Maxwell, Saffron’s mentor, is the main suspect, and evidence quickly mounts.

Before Jack the Ripper terrorised London, Police Inspector Samuel Ravenscroft patrolled the streets of Whitechapel. Clever and hard-working, Ravenscroft nonetheless has the worst record in the force. He lets a murderer escape during a chase and is banished to the spa town of Malvern for a water treatment to cure his asthma. Ravenscroft accepts a dinner invitation from a new acquaintance, Jabez Pitzer. Before dinner, the maid finds Pitzer slumped over his desk - dead. Ravenscroft immediately recognises the signs - Pitzer has been poisoned.

Tig Costello has arrived in Darren, Kentucky, commissioned to paint a portrait honoring her grandfather Benjamin. His contributions to the rural Appalachian town and his unimpeachable war service have made him a local hero. But to Tig, he’s a relative stranger. To find out more about him, Tig wants to talk to the person who knew her grandfather best: Eloise Price, the woman who murdered him fifty years ago.