Set in a future 1970, the United States is considering building bases on the Moon. Colonel Briteis (Donna Martell), Major Bill Moore (Ross Ford), and Doctor Wernher (Larry Johns) are sent to orbit the Moon to survey landing sites for future lunar missions. However, Dr. Wernher is an impostor whose mission is to destroy the US's Earth-orbiting space station, which he plans to do by colliding the rocket with the station on the way back from the Moon.