Using their magic tree house, Jack and Annie travel back to the time of the American Revolution and help General George Washington during his famous crossing of the Delaware River.
The magic tree house whisks Jack and Annie to Washington D.C. in the 1860s where they meet Abraham Lincoln and collect a feather that will help break a magic spell.
In 1863, as the Civil War approaches her quiet town of Gettysburg, Pennsylvania, nine-year-old Virginia records in a journal the horrible things she witnesses before, during, and after the Battle of Gettysburg.