After the end of her marriage, Kate Granger has retreated to her parents' home on Lake Superior to pull herself together - only to discover the body of a murdered woman washed into the shallows. Tucked in the folds of the woman's curiously vintage gown is an infant, as cold and at peace as its mother. No one can identify the woman. Except for Kate. She's seen her before. In her dreams...

In Metsan Valo, her family home on Lake Superior, Anni Halla’s beloved grandmother has died. Among her fond memories, what Anni remembers most vividly is her grandmother’s eerie yet enchanting storytelling. By firelight she spun tall tales of spirits in the nearby forest and waters who could heal - or harm - on a whim. But of course those were only stories.

When Eleanor Harper becomes the director of a renowned artists' retreat, she knows nothing of Cliffside Manor's dark past as a tuberculosis sanatorium, a "waiting room for death". After years of covering murder and violence as a crime reporter, Eleanor hopes that being around artists and writers in this new job will be a peaceful retreat for her as much as for them.

When Margaret and her husband Hal bought the large Victorian house on Hawthorn Street—for sale at a surprisingly reasonable price—they couldn’t believe they finally had a home of their own. Then they discovered the hauntings. Every September, the walls drip blood. The ghosts of former inhabitants appear, and all of them are terrified of something that lurks in the basement. Most people would flee. Margaret is not most people. Margaret is staying.

College professor Stephen Barlow needs cash. Badly. He puts his skepticism aside and signs on to a paranormal research organization in the hopes of scoring a fat bonus. Enter Chaythe Asylum: a long-shuttered and controversial institution where patients were allegedly subjected to unethical experiments. Stephen deems the old building, closed in 1989 after a series of grisly murders, as good a place as any to explore the possibility of the supernatural, and arranges to take a tour with his students. But it turns out that the asylum is not as abandoned as it seems. There is something sinister in the building.

When Hannah Maloney’s aunt dies in a car accident, she returns to her family’s castle in the Catskills and the epicenter of a childhood trauma: her sister’s unsolved disappearance. It’s been 17 years, and though desperate to start a new life with her fiancé, Hannah is compelled to question the events of her last summer at Brackenhill. When a human bone is found near the estate, Hannah is convinced it belongs to her long-lost sister. She launches her own investigation into that magical summer that ended in a nightmare.

When a young red-haired woman is found brutally murdered in downtown Chicago, one detail stands out: the red lipstick encircling her wrists and ankles. Detective Harriet Foster is on the case, even though she’s still grieving the sudden death of her partner. As a Black woman in a male-dominated department, Foster anticipates a rocky road ahead acclimating to a new team—and building trust with her new partner isn’t coming easily. After another victim turns up with the same lipstick markings, Foster suspects she’s looking for a serial killer. 

Then: Morning light shines into the nursery, casting shadows across the pale pink walls and wooden cot in the middle of the room. She opens the door expecting to hear the soft coo of her daughter, Sofia, stretching herself awake. But the room is silent. The cot is empty. Her little girl has vanished. Now: Twelve years have passed, but Emily will never forget the night her life changed forever, and she’s happy to have her daughter back beside her. A teenager now, Sofia started asking questions about when she was a baby.

On the muddy banks of the Calumet River, a body has been found posed next to a series of mysterious glyphs and bearing wounds from a ritualistic slaying. Chicago detective Addie Bisset knows only one man who can decipher the message left by the killer: her friend Dr. Evan Wilding. A brilliant forensic semiotician, Evan decodes the etchings as Viking Age runes. They suggest either human sacrifice or righteous punishment. But to what god? And for what sins? Only one thing is clear from the disturbing runic riddles: there are more victims to come.

In 1903, fishermen find a wrecked boat containing a woman, who has been badly beaten, and a young girl. In 1993, All Hallows is now a boarding school. Following his mother’s death and his father’s hasty remarriage, Lewis Tyler is banished to Dartmoor, stripped of his fashionable clothes, shorn of his long hair and left feeling more alone than ever. There he meets Isak, another lost soul, and whilst refurbishment of the dormitories is taking place, the boys are marooned up in the attic, in an old wing of the school.