When an Afghan village becomes paralyzed by the Soviets’ new warfare, and a thick nerve gas suffocates innocent people, rumors of a deadly weapon find their way to the Pentagon—and into the hands of Lieutenant Colonel Mark Schad. Along with his three-man team, Lieutenant Colonel Schad will lead one of the riskiest covert operations known to the US Department of Defense in order to find one unexploded cylinder of Yellow Rain. But are these men up against something much greater than American intelligence is prepared to face?