When a human soul desires more than it can obtain, the sirens of the deep sing to them; inviting them to make their wish--their desires--when the moon meets the sea, to the devil that rests underneath. No matter the wish, he may be the only one that could grant them their wishes for a simple cost of something precious. Their soul.
Sisky, a man who lost everything he loved, sinks down into the depths to meet the devil expecting his only wish to come true. Unexpectedly, The devil had something else to offer but his soul did not suffice alone; he required more than what the man could give. What was the deal that Sisky could not turn down? What did he have to do to get it?
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.