An exoanthropologist from Mars, Exigius Twelve and a Half, crashes his one-man spaceship near Los Angeles after narrowly missing a NASA rocket plane. He is rescued by newspaper reporter Tim O'Hara, who introduces him as his Uncle Martin to friends and authorities. Despite appearing human, Uncle Martin has the ability to extend retractable antennae, allowing him to become invisible. His unique powers and illnesses pose a constant challenge to Tim as he works to keep his friend's identity hidden.
Reporter Tim O'Hara, while covering a flight of the Air Force X-15, finds a s...