Modern-day Iraq: During a raging sandstorm in a war zone, army chaplain Jaime Richards is shocked to be reunited with her old friend Adara Dunbar—and devastated when, in the midst of an ambush, a black-robed man murders Adara in cold blood. But not before she delivers a final message to Jaime—one important enough to die for...and obviously to kill for. Why Adara? And how did her assassin know Jaime's name?

Jaime's quest for answers will lead her into danger beyond anything she's experienced on the battlefield. At an ancient site, she meets a stranger who reveals astounding truths about Adara's mission—and the war itself—that are impossible to ignore. For the roots of this war reach back to a time and place fixed in the history of civilization. Many have searched for the Garden of Eden before, because to find it is to unlock a power beyond human comprehension. Now, for Jaime, the chase is on—and the fate of the world hangs in the balance...