The Soulless are back-and they're more terrifying than ever. Fae across the globe are disappearing, transformed into Soulless or worse. Kyran knows it's time to train his daughter, Opal, to fight back. Her powers are unlike any other-and more dangerous than even her mother, Darla, ever imagined.But Opal's abilities are even more extraordinary than they first realize. She can do things no one has ever seen before.When evil resurfaces in the most unexpected form, lives are destroyed in its wake. Opal takes the blow hardest of all, disappearing for five years. When she returns, it's as an adult, bent on avenging the loss of someone she loved. But soon, a trusted ally is consumed by darkness-and Opal must decide: can she save them?Caught between light and dark, Opal falls for a new ally, but is he truly on her side?Dragged into a battle that will decide the fate of all, Opal's loved ones unite to pull her back from the brink. But when it comes to light or dark, who will triumph?