Enter the world of Jo Hammet, a 5th-grade gumshoe who’s hot on a case. While visiting the museum on a field trip, she uncovers a sinister plot to destroy all of the city’s factories! Her mission is to find clues leading to the capture of the mad genius, Dr. X. Armed with her wits and her skateboard, Jo plays curriculum-building games while dodging Dr. X’s goons and searching for clues to unravel the mystery.