Nancy Drew is invited on a train trip. This journey through West is organized by distinguished man of the world, Lori Girard, whose purpose was to gather prominent minds for collecting their thoughts about one unusual occurrence. This magnificent train was a personal property of Jake Hurley, who strangely disappeared a century ago during mining mania. In years people found the train in Blue Moon Canyon. So, it's the only clue in the investigation. Help Nancy to find out the truth.