The Momos Museum of World History and Culture had been robbed! And by the looks of it, the culprits were professionals! As Alex and the Princes try to track don the thieves, they also learn that the museum has become less and less popular lately, due to the younger generations" lack of interest in history. Will the Princes" combination of charismatic charm and historical knowledge succeed in restoring the museum"s popularity as well as its treasures?