Balance in the world isn't automatic. It isn't something that just happens naturally. God-like beings known as Conductors and Conductresses keep the order of everything in the world.
Eira is one such Conductress. She is is the Conductress of Ice and Winter. Without her, winter would never come, and the world would erupt in flames.
When the Conductor of Fire and Summer, becomes corrupted, he threatens to end the earth in flames. Unless Eira can learn more about her abilities, Winter will simply be skipped, and Doomsday will arrive.
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.