The Mysterons
2068 A.D: A manned expedition led by Captain Black of Spectrum lands on Mars; investigating the planet surface in an exploration vehicle, the crew discover a futuristic alien city. Its inhabitants, the invisible Mysterons, decide to make friendly contact with the approaching vehicle and train their cameras upon it, but this act is misinterpreted by Captain Black as an act of aggression, and he orders the destruction of the city. However, after the city has been levelled it is then recreated using retro metabolism and the enraged Mysterons vow revenge for the unwarranted attack by beginning a war of nerves against humanity...
