Set during the American Revolution in December 1776, this story follows young siblings Kitty and Harry Tracy in Bordentown, New Jersey, whose father is away fighting with George Washington's army across the Delaware River, with enemy troops nearby. Missing him deeply, especially at Christmas, they prepare small gifts and save a holiday turkey, clinging to hope despite the somber wartime atmosphere. Following news of Washington's surprise victory at the Battle of Trenton, their father unexpectedly returns home safe but weary, bringing a poignant gift – a spaniel named Fido, rescued from his dying British officer owner after the battle – leading to a joyful family reunion and illustrating themes of sacrifice, hope, family love amidst conflict, and a tangible connection to a significant historical event.