The infamous writer, The Marquis de Sade of 18th Century France, is imprisoned for unmentionable activities at Charanton Insane Asylumn. He manages to befriend the young Abbe de Coulmier, who run's the asylumn, along with a beautiful laundress named Madeline. Things go terribly wrong when the Abbe finds out that the Marquis' books are being secretly published. Emperor Napolean contemplates sending Dr. Royer-Collard to oversee the asylumn, a man famed for his torturous punishments. It could mean the end of Charanton and possibly the Marquis himself.