Yuma is accosted by two ex Yankee Prisoners seeking to take gold from a Captain Pollack who later Yuma learns is a demented ex-Confederate prison officer who hoards prisoner mined gold with which he plans to reverse the outcome of the war.
Johnny gets caught in the middle of a conflict between a crazed ex-Confederate officer who used Union soldiers to mine gold during the war, and two ex-Union soldiers looking to take the gold away from their former captor.