CIA agent Ryan Kealey has no time to wrestle his demons. Former U.S. soldier Jason March, one of the world's deadliest assassins and Ryan's former protege, is now working with a powerful terror network whose goal is nothing less than the total annihilation of the United States. Ryan puts together the pieces of a terrifying puzzle. With the fate of the country resting on his shoulders, he finds himself caught in a desperate game of cat-and-mouse with the most cunning opponent he's ever faced, a man who won't be denied the ultimate act of evil and who is all the more deadly for being one of our own.