A war is brewing under the earth...
Jay Matthews might be the missing piece to the puzzle, David, the leader of the underground Unit army called the Vindicators, has been searching for. Should Jay decide to join them, he will become the Swordsman in the prophesy Old Mary predicted years ago and will help lead the Units to victory over the Grays who have mastered them for so long. As it turns out, the Units aren't the only ones who have something to lose in this battle. The Grays are not only dangerous to the Units underground, but also to the humans that live on its surface. David and Jay must work together to defeat them or the whole world could be in danger. But David has a dark secret, as does Jay's Aunt Vicki. Once Jay discovers them, his life will never be the same. How he handles this new information will determine not only the future of the Underground, but also the world.
Book two in the thrilling YA Paragon series!