An America terribly divided against itself — sliced by Asiatic conquest into three separate, terror-ridden republics — this was the desperate situation which confronted Operator 5! California was ruled by a madman; a puppet-king of Nippon reigned over the central states — and in the East a few staunch patriots held the last precious soil of our once great land. But one course of action was possible. Operator 5, heading a mighty relief-caravan of men and guns, set out for the westward trek — and the mile-by-mile battle which was to decide whether America should yet be free or vanish forever from the face of the earth!