The Andrann, a group of alien conquerors, has been exiled on a remote planetoid. They develop a plan to blackmail Earth into giving them gold, which has chemical properties that will give them great power, but they are tricked when they receive fool's gold (iron pyrite) instead.; Scientist Tod White is inexplicably transported to different eras in time without warning and must find someone in the future who can help him before he is transported away again. Ironically enough, when Tod reaches the year 3087, they know all about him and use him to go into the past to obtain soil and rocks that had been bathed in radition to save the world of that year!; Star Hawkins gets a job from the Asteroid Tourist Bureau to find out who has been exploding small asteroids lately, but it's robot secretary Ilda who stumbles on the perpetrators, since she isn't allowed into the fancy hotel where Hawkins is distracted by several beautful women.