West Yorkshire, 1904. When recently graduated Ruby May takes a nanny position looking after the children of Charles and Lilian England, a wealthy couple from a powerful dynasty of mill owners, she hopes it will be the fresh start she needs. But as she adapts to life at the isolated Hardcastle House, it becomes clear something is not quite right about the beautiful, mysterious Mrs. England.

Twenty-one-year-old Marigold Claude has always preferred the company of the spirits of the meadow to any of the suitors who’ve tried to woo her. So when her grandmother whisks her away to the family cottage on the tiny Isle of Innisfree with an offer to train her as the next Honey Witch, she accepts immediately. But her newfound magic and independence come with a price: No one can fall in love with the Honey Witch. When Lottie Burke, a notoriously grumpy skeptic who doesn’t believe in magic, shows up on her doorstep, Marigold can’t resist the challenge to prove to her that magic is real.

In the lands of Bethel, where the Prophet's word is law, Immanuelle Moore's very existence is blasphemy. Her mother's union with an outsider of a different race cast her once-proud family into disgrace, so Immanuelle does her best to worship the Father, follow Holy Protocol, and lead a life of submission, devotion, and absolute conformity, like all the other women in the settlement. But a mishap lures her into the forbidden Darkwood surrounding Bethel, where the first prophet once chased and killed four powerful witches.

When German bombs set London ablaze, BBC radio correspondent Hugh Collingwood reports on the Blitz, eager to boost morale while walking the fine line between truth and censorship. But the Germans are not the only ones Londoners have to fear as a series of murders flame up amid the ashes. The deaths hit close to home for Hugh, and Aleida needs his help to locate her missing son. As they work together, they grow closer and closer, both to each other and the answers they seek. But with bombs falling and continued killings, they may be running out of time.

Emery Blackwood’s life changed forever the night her best friend was found dead and the love of her life, August Salt, was accused of murdering her. Years later, she is doing what her teenage self swore she never would: living a quiet existence on the misty, remote shores of Saoirse Island and running the family’s business, Blackwood’s Tea Shoppe Herbal Tonics & Tea Leaf Readings. But when the island, rooted in folklore and magic, begins to show signs of strange happenings, Emery knows that something is coming.