Los Angeles-based mega-billionaire Diana—who collects planes and a multitude of transforming aircraft called “Ultimates” (no invisible plane in sight here)—as she attempts to take down an evil pharmaceutical company run by morally corrupt scientist Veronica Cale, who is mass-producing a human-growth hormone that is causing its users, mostly black inner city youth, to die. Along the way, she tackles criminals, a Senate subcommittee, and a broken heart, the latter courtesy of lost love Steve Trevor.