An alien work crew comes to earth and starts leveling buildings, but it's all for the purpose of saving Earth. The aliens know that a white dwarf star is on a collision course with Earth so they want to mount a cannon to deflect the star from its path. But they miss. Earth's last chance is Rick Jordan, who's invented the Graviton, a device that can create a temporary zero gravity field and allow Rick to plant explosives on the dwarf star.
Frank Barrows wakes to the sound of a voice from 3000 years in the future telling him that Earth depends on Frank following his commands. Frank finds his apartment full of advanced equipment that he uses to build an android duplicate of himself. When complete, this duplicate is transported to the future, and since their brains are identical Frank and the android can communicate with each other across time. In the future, the android is told that light-beings from Aldebaran are in Earth's atmosphere "inhaling" the argon and "exhaling" monargon, a poisonous waste. Future historical records show that Frank Barrows had developed a technology that could help deal with the problem, but there were no details. Unfortunately, the android duplicates a Frank before he had started that research. So Frank tries to figure out where his current research would have taken him. Through atomic manipulation, Frank is able to knock an electron off an argon atom and get poisonous chlorine. Poisoned, the light-beings disappear, and Earth is saved.
Star's luck is holding steady. He hasn't had a case in a week and he's had to pawn Ilda, his robot secretary. Luckily, Star is hired to locate a fugitive who's thought to be hiding on Vesta, an asteroid mining settlement, in the Red Jungle. But with a little tracking skill and the help of the creepy vegetation of the Red Jungle, he nabs the fugitive, gets his prisoner, and gets Ilda back from the pawn shop, promising never to pawn her again.