Deep in the wilds of Southern Appalachia, lifelong moonshiner Popcorn Sutton runs 1 last batch of accurate moonshine whiskey. By means of the exhausting work of clearing the site, building a rock and clay furnace, brewing corn mash and producing high-proof moonshine, Sutton reveals the craft of standard distillation, the character of his Scots-Irish ancestors, and a lifetime of memories in the trade.