Grandpa Jim is scheduled to make a guest appearance in a special Christmas program in Branson, Missouri. Backstage at the program , it is chaos--the children are out of control, and the director is out of patience. To make matters worse, Grandpa Jim's truck breaks down on the way to the performance.

Edward White Eyes, a troubled Cherokee boy, encounters an unfriendly welcome when he is forced to bunk in Nathan's room at Thornridge Manor. The two boys remain at odds, until a treasure map captivates them both and a thief's scheme forces them to team up. Edward, Nathan, and their friends discover a mansion's secret, a mysterious treasure map, and a thrilling adventure, but Nathan makes the most valuable discovery of all!