They say that what humans fear most is the unknown. It's from this dread, that panic rises, leading people to do even the most unimaginable things. When a sudden outbreak of mysterious origins infects the people of Ryne, the once peaceful city is nested in chaos. Desperate for help, a letter is sent to Eithiel, a young farmer who believes in the supernatural. Eager to prove his beliefs and that of his father's, Etihiel goes to Ryne. However, in a cruel twist of fate and in the game of politics, he learns that the dangers are far worse than he could have ever predicted. Surrounded by unseen enemies he realizes that in life, some things are better left untouched.
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.