Dagora, the Space Monster

A detective in the Foreign Affairs Department is busy investigating a gang of international diamond smugglers, when there is an abrupt, inexplicable increase in diamond thefts throughout the world. Unable to solve the riddle alone, he consults a scientist regarding the mysterious diamond thefts; perhaps mere men alone are not responsible. Great jellyfish-like monsters have undergone atomic mutation. They hunger for the carbon that is produced by industrial plants and machinery. They are sure to multiply, and unless stopped immediately, will destroy the earth. As more terrifying space monsters descend to our planet, man devises the proper countermeasure...