The Barnwood Builders float down the Ohio River and land in Paducah, Kentucky, where they try to save a little cabin in a big quarry. The cabin is in rough shape, but these guys don't give up on it. Their time in Paducah is filled with pioneer ingenuity. Alex Makes a chair, Johnny drives a dump truck, Sherman makes a quilt and Mark helps build a barnwood table.
Mark's client wants to use the barnwood from an enormous Pennsylvania bank barn to outfit his Arizona restaurant. It's a beast of a job in the middle of a heat wave, but the Barnwood Builders just won't quit. They save 5,000 board feet of prized barnwood from the cattle stalls, granary floors and 40-foot walls. Mark also pays a visit to another restaurant decked out in barnwood for inspiration.
The Barnwood Builders pull into New Ringgold, Pennsylvania, in a covered wagon, ready to take down and move a very complicated carriage house. They find all sorts of treasures in the 150-year-old pioneer garage before they carefully strip it, lift the roof off in sections and disassemble the beams.
Mark Bowe and the Barnwood Builders take the logs from season 3's Bird's-Eye Barn across the New River and put them back together on a West Virginia island. They have to reconfigure the barn to turn it into a modern fishing cabin with a complicated design. While the crew finishes up, the boss goes to visit the completed Wildrock Pavilion from also from season 3.