The Earth was taken over by the Gods of Nature and humans are on the brink of extinction. Thousands of years ago, when this happened for the first time, the Undergods - magical beings created by human emotions - made an alliance with the Stormriders, the servants of the God of Energy, to control the wrath of the Gods and help humans survive. This time, however, the Stormriders are nowhere to be found. Anders, the Undergod of Vengeance, is determined to finding the last Stormrider and saving mankind once again.
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.