Six years after Michael Myers last terrorized Haddonfield, he returns there in pursuit of his niece, Jamie Lloyd, who has escaped with her newborn child, for which Michael and a mysterious cult have sinister plans.

A seasoned F.B.I. Agent's child-genius son assists him on catching a child-killer, a schizophrenic mohab nut who believes he's been chosen by god to be a new Noah.

A coverup and witchhunt occur after a politician accidentally kills his mistress.