Escape from the Pentagon

Following their helicopter evacuation during the fall of Phnom Penh to the Khmer Rouge communists Sam Bristol and his bride Beth returned home to the United States. Following an excruciating illness Beth dies leaving Bristol a sad disgruntled Army colonel assigned to a sensitive position in the Pentagon. Sams work particularly his writing a highly classified nuclear manual makes him the prime target of several foreign attempts led by two voluptuous females to filch the manual from the distraught widower. Sam is duped eventually realizing the depth of his near-treasonous dilemma and asks for agency assistance to extricate him. How the agency plan enables his escape from the Pentagon--requiring vast personal changes in Sam--and an awesome climax vastly different from his previous flight from Phnom Penh. Can he ever revert to his old self after this latest escape?