Set in the late 1990s with flashbacks to the late 1960s and early 1970s. The death of an old Marine Sergeant Major who ran special operations in Vietnam from 1972-76, and the discovery of notebooks he kept on those classified missions, leads Marine Sergeant Shake Davis on a shocking and potentially lethal quest to find out what happened to hundreds of American POWs who disappeared along the Ho Chi Minh Trail. Davis attaches himself to an official post-war stabilization mission designed to establish normal relations with Vietnam, but with a secret agenda to discover the fate of many Americans listed as missing in action from the Vietnam War. Davis finds himself back fighting a war he thought ended long ago and narrowly escapes assassination by former enemy forces who want to keep the murder of POWs a secret.