The Barnwood Builders head to Gatlinburg, TN, to build a cabin in the Smoky Mountains, but a narrow access road makes it difficult to reach the job site. Johnny and Graham take in the local arts and crafts, and Larry Melton stops by to surprise the crew.

The Barnwood Builders create log cabin treehouses in the Smoky Mountains of Sevierville, TN, and must maneuver the logs through trees to reach the raised platforms. Later, the crew explores a cabin that served as the capitol of the Southwest Territory.