Mark and Digger attempt to rescue a former apprentice from a moonshine calamity; an unknown competitor invades Mike's turf, forcing him to change his shine strategy; Mark and Huck bank on backwoods survival skills to fuel their high-proof run.

Tickle and Tim put fire to their first backwoods run in a decade; with 250 gallons of mash on the brink of expiring, Mark and Digger torpedo their own operation; a minor oversight for Josh triggers a domino effect that threatens his entire site.