Sam, Derek and Caitlin have encountered many mysteries together, but when they visit Maymont, Richmond’s historic estate, danger seems to be lurking at every corner. A chance meeting with a mysterious stranger at the wild animal habitats and a secret code begins a determined hunt to rescue a symbol of our nation’s strength. After Sam receives an eerie message in the middle of the night, Derek and Caitlin devise a plan that leads to a secret abandoned palace, tucked high into the Blue Ridge Mountains near the Appalachian Trail. But once they discover the truth, this might be one mystery that’s too much for the kids to bear.
