THE MYSTERY OF THE 99 STEPS Nancy Drew must search for a flight of 99 steps to solve the mystery of a friend’s weird dream. Her search leads her to France, but before she leaves the United States, an unknown person calling himself Monsieur Neuf warns the young sleuth not to pursue her mission. With her friends Bess and George, Nancy arrives in Paris to join her father who is working on another case: to find out what, or who is frightening wealth financier Monsieur Leblanc into selling large amounts of securities. Startling discoveries convince the young detective that Mr. Drew’s case and her mystery are linked by the 99 steps and that a mysterious man has a stronghold over Leblanc. Is it blackmail?