Rod Damon - The Coxeman - learns of an enemy plot to murder world leaders by planting a remote-controlled 'bug' in the brain of a number of agents. The 'bugs' are programmed to have the agents kill on deamand. Rod's job is to try to join the enemy force, HECATE, in order to destroy it. But first he must pass a series of tests, one of which is test of virility. Rod is finally accepted and "bugged" for murder. But Hecate has outsmarted Rod. He finds that he cannot neutralize the assassination orders. More important, he finds that he has lost his power to make love - except on HECATE'S orders! He is now an enemy-controlled sex machine who threatens to screw up the whole Free World!