During the Vietnam War [1959-1975] a special US combat unit is sent out to hunt and kill the Viet Cong soldiers in a man-to-man combat in the endless tunnels underneath the jungle of Vietnam. Suicide squads of a special kind.

An adaptation of the first-person-shooter video game where Jack Carver, a retired Special Forces Officer who now is transport for hire, by people and cargo. On one particular trip Jack ferries a photographer 'Val' who wants to photograph old Japanese WW2 bases on some of the Micronesian islands. He goes through hell when his boat is attacked and destroyed by an unknown party while Val is away. Surviving by the skin of his teeth, he must now find Val and uncover what is truly happening on these dark and mysterious islands.