Corporal "Budo" Gresham and the other men of the US Eleventh Armored Calvary Regiment--a.k.a. the Black Horse Regiment--are serving on the border between East Germany and West Germany during the eighties, keeping a watchful eye on their Soviet counterparts on the other side. In the midst of a combat action, they are hit by what seems to be a nuclear explosion--and find themselves suddenly transported to another dimension. There, the men of the squad...