The Hardy Boys have invited Nancy Drew to join them on a train trip hosted by Lori Girard, a wealthy, young socialite. Lori has gathered the best detectives, researchers, and investigators in the country to help her solve the mystery of what happened to Jake Hurley, the man who originally owned the train. One day in 1903, the train was found in Blue Moon Canyon, Nevada with only the dead engineer on board. Jake Hurley was never seen again.As soon as the train takes off, Lori Girard mysteriously vanishes from the train. Nancy needs to find Lori and solve the mystery of Jake Hurley's disappearance.