Randy Johnson, a former green beret platoon leader in Vietnam, has now settled into the peaceful life of an Idaho rancher. It holds a kind of a magic, a new freedom, a relief from a cunning invisible enemy left behind in the dangerous jungles of Vietnam. He's good with a gun, fast on a horse and as tough and smart as the next man, but he's about to meet a new enemy more cunning and illusive than the one he left in Vietnam. Idaho's television stations...