Tim Smith aims to put a whiskey time machine to the test; Chico and Sandra switch gears with a new recipe in hopes of jump-starting their stalled season; Mark and Digger opt to experiment with distilling an old classic on their high-speed rig.

With liquor stockpiled, Carolina shiners Josh and Big Chuck start digging for a new stash site. The pressure's on as backwoods distillers Mark and Digger haul 60 gallons of premium gin to Nashville the sale of their career. In the Louisiana swamplands, father/daughter duo Patti and David follow nature's harvest to make a sweet new brew.