War is brewing in the Faery Realm as the Solitary fae become bolder and more powerful. Despite new alliances, it feels like Sirius and his elves are fighting alone. Trouble spills into the Mortal Realm as the Solitary hunt new prey, swelling their numbers with stolen children. The elves struggle to find the Halflings before the Solitary can, but it's difficult to hunt what they can't see. But someone else can. Elise is gifted with the Sight, though she's more likely to call it a curse. When the elves discover her ability, they know it will be needed for the war against the Solitary. How can Sirius convince someone who wants nothing to do with his world to risk her life to save it?