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.

The great grandson of the infamous Jack The Ripper is a photographer who murders women in bizarre ways. He photographs them and drinks their blood in order to increase his sexual potency. One day, he meets the girl of his dreams to carry on the family name, but he uses her to lure in more female models to murder and add to his collection. With the body count rising, Erica is unaware of her new boyfriend's hobby, and soon he starts making mistakes.