The second of three prequels featuring Henry Shaw, USMC, Terry Jones, CIA and Peter Dawnosh, Royal Marine Commandos. Beginning with a further insight into the wartime experiences of Henry's father, Dwight Shaw, this time as a Major in the 31st Infantry Regiment at Chosin Reservoir in November 1950. In South Vietnam, 2Lt Henry Shaw, USMC, an advisor assigned to a Firebase Zara, close to the border in Quang Tri Province. Henry will not compromise in terms of honour and integrity and this brings him into conflict with the commander of the ARVN special forces for the province. In Saigon, Terry Jones prepares for his part in the coup to overthrow President Diem, but there is a traitor at work, either in the US Embassy, or CIA Station, Saigon. Megan Grainger-McVanie, a CIA operative with a near-genius IQ, uses her cover as Bethany Robertson, an air hostess with loose morals, to uncover the traitor, but is the beautiful Megan on the edge of a mental breakdown?