The goddess of necromancy and witchcraft, Hecate, faces permanent death by the firstborn's curse if her and her two children, Velkro Saron and Asmund Raven, do not find a way to lift it. Hecate charges Velkro with guiding powerful yet inexperienced magical outcasts across dimensions in a race to stop the firstborn from spreading its corruption. While Asmund looks for Hecate on Earth, where she went missing. Velkro struggles with being a mentor to these misfits as the infamous rebel goes from the most powerful grim reaper, to teacher.
In the epic conclusion to the Devil's Deal series, Freya has one final chance to discover the full potential of her own power, and to use it to restore balance in the universe - once and for all. After the destruction caused by Roisin, Ferya and Torix come to terms with their losses and mistakes... And prepare for a final battle that will change everything.