John Eastridge, a former Confederate soldier from North Carolina, survived the decimation of his unit in the battle at Gettysburg, only to face the debilitating circumstances from months in a prison camp. When given the opportunity to win his freedom, John takes the Oath of Allegiance and joins the Union Army, enduring the slurs from his former comrades for becoming a "Galvanized Yankee." His hopes of slipping off to return to his wife and young family...