The year is 1926, and Shanghai hums to the tune of debauchery. A blood feud between two gangs runs the streets red, leaving the city helpless in the grip of chaos. At the heart of it all is 18-year-old Juliette Cai, a former flapper who has returned to assume her role as the proud heir of the Scarlet Gang - a network of criminals far above the law. Their only rivals in power are the White Flowers, who have fought the Scarlets for generations. And behind every move is their heir, Roma Montagov, Juliette's first love, and first betrayal.

Nine years ago, Vivienne Jones nursed her broken heart like any young witch would: vodka, weepy music, bubble baths…and a curse on the horrible boyfriend. Sure, Vivi knows she shouldn’t use her magic this way, but with only an “orchard hayride” scented candle on hand, she isn’t worried it will cause him anything more than a bad hair day or two.

There hasn’t been a witch born in the Orchière clan for generations. According to the elders, that line is dead, leaving the clan vulnerable to the whims of superstitious villagers and the prejudices of fearmongering bishops.

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.

1873. At an abandoned château on the outskirts of Paris, a dark séance is about to take place, led by acclaimed spiritualist Vaudeline D’Allaire. Known worldwide for her talent in conjuring the spirits of murder victims to ascertain the identities of the people who killed them, she is highly sought after by widows and investigators alike. Lenna Wickes has come to Paris to find answers about her sister’s death, but to do so, she must embrace the unknown and overcome her own logic-driven bias against the occult.