Jack Flashhardt and his Indian half-brother, Billy Howling Dog, break free from Fort Leavenworth and escape to Singapore. But are they really free or are they being manipulated by Marine General Harmbruster of the super-secret Eagle's Aerie spy agency into finding a missing US biological bomb, so terrible, the US is afraid to look for it in the Hindu Kush Mountains of Southwest Asia-Afghanistan! But now the terrorists have come to America, and the brothers must scramble back to the USA to stop Mara Bhutto, the al Qaida operative, and her gang of crazed, blond and blue-eyed Bosnian Mujahideen.