Twelve-year-old Robert Henry Hendershot runs away from home to become a drummer boy for the Union Army. While his company prepares for the Battle of Fredericksburg, he sneaks across the Rappahannock and captures a Rebel soldier.
Relates how, in 1861, a boy named Charlie Miller became the youngest rider for the Pony Express, a mail service that linked the east and west coasts of the United States.