The Walker hunts fae, killing them, bringing them to justice. On occasion, he recruits followers. He found Tiff, an orphan, and raised her to be one of his best hunters. A skilled killer, she jumps into any timeline on any alternate, and seeks her prey.
A powerful artifact and a mysterious fae crop up in the Roaring Twenties, in Chicago. Tiff is on her way. But this time, after centuries of being hunted, the fae have other plans. . .