It is the future, and things have changed. The world is split into sporadic monarchies, with one ruling over them all—the Arcaean Empire. The ruling elite of Arcaea have unlocked terrifying superhuman abilities—abilities that have rendered their genes impure and have made them all reproductively incompatible with each other. So as the reigning Keizer is dying, the Keizer in waiting is forced to marry a girl from a distant, unaffected country, to continue their bloodline and assert their dominance for generations to come. Except he wants something different. Someone different. And his sworn guard will do anything to get him what he wants... Politics, love and power entangle as Cohen seeks to write his own destiny...and, inevitably, it is decided by four people around him who each have their own battle.
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.