Jimmy Sniffles is shrunk to microscopic size so he can investigate the president's nose from the inside and fight the evil forces giving the leader an allergic reaction.
The diabolical Dr. Von Snotenstein creates an evil twin from a hair of Jimmy Sniffles's nose, and then adds two more powers to challenge the original Jimmy.
Jimmy Sniffles and his class go on a field trip to the museum to see the Mummy of Amun-Set, which some believe to be cursed, and when some artifacts go missing, Jimmy starts to believe the legend and uses his nose to track down the answers.
