Hundreds of years after the end of the world, the Appalachian community of Iron Hollow finds itself beset by demons. Such horrors are common these days in the outlands, where most folks die young—if they don’t turn into monsters first. When a legendary knight is summoned to hunt down the latest unearthly beast to haunt their woods, the town’s new oral historian, Shrike, has more reason than most to be concerned. Because that demon was her wife. And while Shrike is certain that May still recognizes her—that May is still herself, somewhere beneath it all—she can’t prove it.

Three years later, Stephen is a broken paladin, living only for the chance to be useful before he dies. But all that changes when he encounters a fugitive named Grace in an alley and witnesses an assassination attempt gone wrong. Now the pair must navigate a web of treachery, beset on all sides by spies and poisoners, while a cryptic killer stalks one step behind....

Roos Beckman has a spirit companion only she can see. Ruth—strange, corpse-like, and dead for centuries—is the light of Roos' life. That is, until the wealthy young widow Agnes Knoop visits one of Roos' backroom seances, and the two strike up a connection.

In 1893, there's no such thing as witches. There used to be, in the wild, dark days before the burnings began, but now witching is nothing but tidy charms and nursery rhymes. If the modern woman wants any measure of power, she must find it at the ballot box. But when the Eastwood sisters - James Juniper, Agnes Amaranth, and Beatrice Belladonna - join the suffragists of New Salem, they begin to pursue the forgotten words and ways that might turn the women's movement into the witch's movement.

In the holy city of Tova, the winter solstice is usually a time for celebration and renewal, but this year it coincides with a solar eclipse, a rare celestial even proscribed by the Sun Priest as an unbalancing of the world. Meanwhile, a ship launches from a distant city bound for Tova and set to arrive on the solstice. The captain of the ship, Xiala, is a disgraced Teek whose song can calm the waters around her as easily as it can warp a man’s mind. Her ship carries one passenger.