Dodge and Pluck return home to Aliquippa to find the mayoral race overrun with time traveler fever. While they were gone, Edsel decided to exploit his time traveling status for political gain, turning the library into a tourist destination.
With hopes of stopping The Great War from every happening, J. Edgar Hoover sends Dodge and Pluck on a mission through time. They must stop the five assassins of the Black Hand from killing Franz Ferdinand. Is Dodge willing to break his own rules on time traveling in order to save hundreds of thousands of lives?
Locked in a secret room within the White House, Dodge has no choice but to obey the commands of J. Edgar Hoover. Meanwhile, while searching the premises, Pluck runs into an old nemesis from school, Tug Horsense.
After Dodge’s time traveling ability is revealed to the public, he’s kidnapped by J. Edgar Hoover and the FBI. They want Dodge to teach them how to use the Chronotope. Meanwhile, Pluck travels to Washington to save Dodge and Grandpa continues his mayoral campaign.
