Mark and Digger make a high-proof version of a favorite Southern dessert. Tim takes a backwoods ritual into the lab and onto store shelves. Amanda lends Mark and Huck her cutting edge process for infusing flavor into their old-school corn whiskey.

When Josh devises a formula for a profitable hard seltzer, he must convince Tickle and the Laws to contribute their valuable peach brandy to a risky enterprise. Mark and Digger attempt to turn a windfall of scuppernong grapes into Appalachian cognac.