Two Japanese scientists, Ushioda and Ochi, develop a bond with their sled dogs while on an expedition in Antarctica.

Noriyasu seems like an average third-grader, but his life goes haywire after he catches his mother reading his private daily journal. In an effort to astonish her, he begins writing outlandish lies about a giant snake in the bathroom, cooking pencils for dinner, and a rain of pigs, but Noriyasu is the one who's shocked when his writings play out in reality and everyone else treats the events as normal. Things become even more chaotic when he takes several stabs at being a newspaperman, producing “fake news” that become the talk of the town and one resulting in an apocalyptic porcine holiday.

The new frontier of Venus has degenerated into a dystopia ravaged by the civil war between Ishtar and Aphrodia. Bubbly reporter Susan Sommers arrives in the capitol of Aphrodia just before it's captured by Ishtar. She falls in with a bunch of teen-agers who live for a sort of motorcycle version of Roller Derby. Daredevil rider Hiro and his friends reluctantly join the struggle to free Aphrodia from the invaders. Not surprisingly, Hiro proves an ace at piloting the mono-cycles that are the Aphrodians' secret weapon in the key battle.