Maine, 1846. Gabriel Stone is desperate to escape the ghosts that haunt him in Massachusetts after his wife’s death, so he moves to Maine, taking a position as a minister in the remote village of Pale Harbor. But not all is as it seems in the sleepy town. Strange, unsettling things have been happening, and the townspeople claim that only one person can be responsible: Sophronia Carver, a reclusive widow who lives with a spinster maid in the eerie Castle Carver. Sophronia must be a witch, and she almost certainly killed her husband.

Once there was a young woman from a well-to-do New England family who never quite fit with the drawing rooms and parlors of her kin. Called instead to the tangled woods and wild cliffs surrounding her family’s estate, Margaret Harlowe grew both stranger and more beautiful as she cultivated her uncanny power. Soon, whispers of “witch” dogged her footsteps, and Margaret’s power began to wind itself with the tendrils of something darker.

Tabby has a peculiar gift: She can communicate with the recently departed. It makes her special, but it also makes her dangerous. As an orphaned child, she fled with her sister, Alice, from their charlatan aunt Bellefonte, who wanted only to exploit Tabby's gift so she could profit from the recent craze for seances. Now a young woman and tragically separated from Alice, Tabby works with her adopted father, Eli, the kind caretaker of a large Boston cemetery.

With the stroke of a pen, twenty-three-year-old Ivy Radcliffe becomes Lady Hayworth, owner of a sprawling estate on the Yorkshire moors. Ivy has never heard of Blackwood Abbey, or of the ancient bloodline from which she’s descended. With nothing to keep her in London since losing her brother in the Great War, she warily makes her way to her new home.

England, 1881. Hereford Cathedral stands sentinel over the city, keeping its secrets, holding long forgotten souls in its stony embrace. Hecate Cavendish speeds through the cobbled streets on her bicycle, skirts hitched daringly high, heading for her new life as Assistant Librarian. But this is no ordinary collection of books. The cathedral houses an ancient chained library, wisdom guarded for centuries, mysteries and stories locked onto its worn, humble shelves. The most prized artifact, however, is the medieval world map which hangs next to Hecate’s desk.

Lady Lilith Montgomery is the daughter of the sixth Duke of Radnor. She is one of the most beautiful young women in London and engaged to the city’s most eligible bachelor. She is also a witch. When her father dies, her hapless brother Freddie takes on his title. But it is Lilith, instructed in the art of necromancy, who inherits their father’s role as Head Witch of the Lazarus Coven. And it is Lilith who must face the threat of the Sentinels, a powerful group of sorcerers intent on reclaiming the Elixir from the coven’s guardianship for their own dark purposes.

Artist Laura Matthews finds her new home in the Welsh mountains to be a place so charged with tales and legends that she is able to reach through the gossamer-fine veil that separates her own world from that of myth and fable. She and her husband, Dan, have given up their city life and moved to Blaencwm, an ancient longhouse high in the hills. Here, she hopes that the wild beauty will inspire her to produce her best art and will give her the baby they have longed for.

Helen Lambert has lived several lives-a young piano virtuoso in 1890s Paris, an actress in 1930s Hollywood, a rock star in 1970s Los Angeles - only she doesn't know it. Until she meets a strange man who claims he's watched over her for centuries, bound to her from the beginning. At first, Helen doesn't believe him. Her life is as normal as any other modern career woman's. Then she begins having vivid dreams about ill-fated love and lives cut short. Caught in a curse, Helen will be forced to relive the same tragic events that ruined her previous lives.

In the spring of 1628, the Witchfinder of Wessex finds himself a true Witch. As Bess Hawksmith watches her mother swing from the Hanging Tree she knows that only one man can save her from the same fate at the hands of the panicked mob: the Warlock Gideon Masters, and his Book of Shadows. Secluded at his cottage in the woods, Gideon instructs Bess in the Craft, awakening formidable powers she didn’t know she had and making her immortal. She couldn't have foreseen that even now, centuries later, he would be hunting her across time, determined to claim payment for saving her life.

Annaleigh lives a sheltered life at Highmoor with her sisters and their father and stepmother. Once there were 12, but loneliness fills the grand halls now that four of the girls' lives have been cut short. Disturbed by a series of ghostly visions, Annaleigh becomes increasingly suspicious that her sister's deaths were no accidents. The girls have been sneaking out every night to attend glittering balls, dancing until dawn in silk gowns and shimmering slippers, and Annaleigh isn't sure whether to try to stop them or to join their forbidden trysts.