Tobe Hooper, director of 'Texas Chainsaw Massacre' and 'Poltergeist' fame directs this horror based on the infamous writings of the Marquis de Sade. American teenager Eugenie Matteson travels to Egypt to visit her archeologist father. Once in Alexandria, Eugenie meets an ex-patriot named Paul Chevalier who shares her passion for De Sade. Mesmerized by Chevalier and his bizarre friends, Eugenie becomes embroiled in a shocking and dangerous cult. Meanwhile a serial killer prowls the city streets and suddenly Eugenie finds herslef in a nightmare.