In 1864, during the American War Between the States, a special train leaves Atlanta, Georgia with wounded Union soldiers and heads north. It also carries a secret cargo for the President of the United States. While en route, Confederate soldiers attack the train near Morristown, Tennessee and hijack the precious cargo which disappears for nearly one-hundred and fifty years. Paul and Tina Mouchette find an unusual artifact and a personal diary written by Paul's great-great-grandfather who fought for the Confederate Army during the Civil War. After doing in-depth research, they believe a large amount of gold is hidden in the Great Smoky Mountains National Park in eastern Tennessee. Before Paul and Tina can realize their goal of finding the gold, career criminals and an unscrupulous politician attempt to deprive the couple of their just rewards. However, not all is what it seems and the mystery of Lincoln's Treasure continues to deepen.