Grab your favorite ballet shoes and get ready for a spectacular stage performance to remember. Nancy, George, and Bess have been taking dedicated dance classes for several months, and now they are finally preparing to step gracefully onto a real theater stage. The girls are incredibly thrilled to wear beautiful, fancy costumes and perform in a grand ballet version of the classic Cinderella fairy tale. Their good friend Andrea even gets the amazing opportunity to play the starring role of Cinderella herself, complete with a sparkling pair of magical glass slippers. However, the joyful excitement comes to a sudden and complete halt when those special shoes vanish right before the heavy velvet curtain is supposed to go up. You can team up with the clever Clue Crew as they immediately leap into action, carefully searching backstage and questioning the entire cast to find the missing footwear. Time is running out quickly, and the show absolutely must go on. Join Nancy and her friends as they piece together the tricky clues to crack the case and completely save the ballet before the clock strikes showtime.