An elite commando squad led by longtime soldier buddies Hawk and Grives run afoul of lethal and powerful vampires in a South American rain forest. Grieves gets turned into a vampire and becomes leader of a savage roving herd. Moreover, Hawk has to rescue his scientist ex-wife Dr. Laurie Williams from the bloodsuckers' evil clutches.

Thirty years on from Vietnam, a government official is trying to track down soldiers who went missing in action, in the hope that it may lead her to her father. Meanwhile, a war veteran is forced to relive painful memories of how he was left for dead by his own platoon, and the heinous crimes he once committed while in the line of duty.

Joe Enders is a gung-ho Marine assigned to protect a "windtalker" - one of several Navajo Indians who were used to relay messages during World War II because their spoken language was indecipherable to Japanese code breakers.

When the body of Army Capt. Elisabeth Campbell is found on a Georgia military base, two investigators, Warrant Officers Paul Brenner and Sara Sunhill, are ordered to solve her murder. What they uncover is anything but clear-cut. Unseemly details emerge about Campbell's life, leading to allegations of a possible military coverup of her death and the involvement of her father, Lt. Gen. Joseph Campbell.