"Gordon (Richard Harrison), the great ninja master faces the most desperate challenge of his life when he and his intrepid ally David, must answer to ninja law and do battle with a brutal horde of evil ninjas in order to foil an assassination plot. Led by the depraved criminal mastermind Stuart, an army of sadistic purple ninjas em-barks on a bloody killing spree in a campaign to seize control of the entire nation. As part of his heinous scheme, Stuart plans to assassinate a senator and replac...