The sequel to Threadneedle finds Anna and Effie immerse themselves further into London's magical underworld as sinister forces seek to destroy their coven. Anna survived the attempt to bind her magic, but Anna and her coven aren’t free from danger yet. Haunted by her aunt’s death, living in fear of her curse, and fated to love the one man she can never have, the last thing Anna needs is a witch hunt. Now she must conceal her magic once more or risk losing everything. But when deadly hysteria strikes across the capital, and in her own school, the coven are left dangerously exposed. Delving deeper into the magical underworld of London, Anna and her twin sister Effie must find a way to work together to protect the coven. But as the witch hunt intensifies and the hysteria spirals out of control, can Effie and Anna truly trust each other?