In Arborville, California, three high school students try to protect their hometown from a gelatinous alien life form that engulfs everything it touches.
After his brother Robeson disappears without a trace while exploring Africa in search of a legendary 'white tribe', Allan Quatermain decides to follow in his footsteps to learn what became of him. Soon after arriving, he discovers the Lost City of Gold, controlled by the evil lord Agon, and mined by his legions of white slaves.
An intelligent pulse of electricity moves from house to house, terrorizing occupants through their own appliances. Having already destroyed one household in a quiet neighborhood, the pulse finds itself in the home of a boy and his divorced father.
