It swept through Hama, Syria, like a plague. It affected every man, woman, and child, leaving thousands dead in its wake. it left the survivors begging for death—suffering from symptoms that could only be attributed to radiation poisoning. But whatever struck Hama left its buildings and structures intact and undamaged.

The operatives of the United States's Counterterrorist Center believe a pure-fusion neutron bomb was detonated in Hama. Devised by the Russians as far back as the 1960s, the weapon possesses the killing potential of a twenty-kiloton nuclear device—yet can be carried by one man.

And now, it will be up to another man—Dr. Graham Higgins—to help CTC agents search out and destroy the facilities manufacturing the bombs, before America's enemies set one off on U.S. soil…