Once upon a time there was a....Nada...There is no fairy tale in the land of Vaux because it has not had a good witch called the Whitling in centuries. When Seraphina is discovered by a farmer and his wife in a field, they take her in and raise her as their only daughter. They soon discover that she is more than what she appears when she levitates at night in her sleep and does other strange things that no mere mortal could ever do. The kingdom and throughout most of the land is filled with darkness and filled with evil creatures such as demons, warlocks, and Meragers, soul eaters. When the king discovers from his prophetess, Nix that there is a great ancient power full of goodness that could destroy everything dark disguised in the mortal world, he seeks them out to destroy them and unbeknown to the King this creature, this threat, is none other than Seraphina.
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.