Sisters from the planet Vulkaria teleport themselves to Earth to investigate and report back in order to prove to their mother, the planet's ruler, that they are worth of becoming Queen.

In the Los Angeles of the future, police are forbidden to carry weapons and must use stun guns instead. A maverick detective ignores those restrictions in his pursuit of "The Bullseye Murderer," a psychotic rapist who takes a new drug called "Umbra" that gives him superhuman strength and intelligence.