When cosmic energy strikes the Earth, astronaut Stacy Macklin is given another chance to become Lady Lunar, but this time as a super-heroine! And she is not the only one, as she meets several other heroes and villains in similar situations: Karb-Brak the Andromedan, Remoni-Notra the second Star Sapphire, Moonman, Pulsar, and Skyman! To learn the secret of their cosmically restored powers, they must embark on an epic voyage to outer space! Meanwhile, various worlds are bombarded by mind-controlled armies bent on destruction! Who is behind this cosmic conquest? And what has all this got to do with a humble bookstore owner named Julius Leiber? Guest starring the Honor Team of Thronn, Queen Bee, Ron-Avon, and Genia, and introducing Cobol the Starknight!
When Lana Lang and Jimmy Olsen develop super-powers, and Karb-Brak returns to Earth, the team begins a new adventure in space that leads the Justice League of America against their old vampiric foe, Starbreaker! Guest starring space-heroes Vartox, Maxima, and Luma Lynai!