Christopher Wren is a legendary figure feared the world over. Whispers call him a ghost, shredding terror groups and leaving their leaders in the ground. But he's not just a legend.

Born into a violent doomsday cult, Wren had to master the dark skills of human manipulation just to survive. It made him the perfect weapon against terror - until he broke with the CIA in the midst of personal tragedy and fled into the wilds of Utah.

There Wren stumbles on something truly dark. Hundreds of human cages hidden in the desert. A small town police department wiped out. A mass radicalization network bent on unleashing chaos.

Nobody else sees it coming. Nobody except Wren.

America stands at a crossroads. One spark in the tinder keg could ignite the inferno. Now Wren's alone in the dark, racing the spark as it falls...