"Welcome to Earth-2!" Power Girl has made a life for herself on our world, as a member and chairwoman of the Justice Society of America and as a hero in her own right.
But she's never stopped dreaming of one day returning to her Earth — the parallel world where the members of the Justice Society were the only heroes. Where her best friend was Helena Wayne, the daughter of Batman. And where evil was a little easier to fight…wasn't it? As her greatest wish comes true, Power Girl's about to find herself back on Earth-2, surrounded by friends she thought she'd lost forever.
Before beginning this issue, read first Justice Society of America #17.