When high class hooker Nicole is kidnapped from her brothel, Rich businessman Hugo Motherskille hires her ex love Roy Bain to find her. Investigating the disappearance, he eventually finds traces that lead to Dr. Savary, who has produced a strange white powder that's coveted by a race of deformed human beings who live in the underworld in the sewers below the city.

The leader of a South African Nation is imprisoned. His followers, led by Zabo, hijack a plane with the intent to use the passengers as hostages to trade for his release. They select a plane carrying a religious leader to use as their main hostage. They soon learn that they have an added bonus of the daughter and grandson of Colonel Shaw, a bigwig in the country. The grandson all the while has to cope with the dual problems of being hijacked and held hostage while needing a kidney transplant. The hijackers have everything in their favor, except that the colonel's daughter is the sweetheart of Major Sam Striker. Striker puts together a band of mercenaries and sets about freeing the hostages.