General Brooks assigns Sgt. Dickles and Pvt. Scott to search for a brilliant, but eccentric explorer named Dr. Wickwar, whose knowledge of a secret place in South America could provide much needed raw materials for the war effort.; Before his death, Dr. Wickwar informs Green Lantern of the location of Exilia. However, the inhabitants consider the Master of Light and Doiby as enemies rather than friends --- and Doiby faces death in an arena reminiscent of the Roman Coliseum.; Green Lantern battles the evil Nardo, who attempts to seize control of Exilia by organizing minority elements within the country against the western democracies.; After saving Doiby from the jaws of death, G.L. tracks down the ruler of Exilia, only to find that he doesn't really exist!