1956. At the height of the Cold War, an American plane disappears in the Amazon rainforest, but not before sending back disturbing reports of unidentified rockets and spaceships. The American authorities dispatch a team to the scene, including Captain Wallace Webster and Agent Betty Jones. In the heart of the jungle, the small commando team discovers an abandoned base used as a launch site by a heavilyarmed military force. The Nazis are planning to establish a new base... on the Moon!