After Mark and Digger sell a $20,000 barrel of whiskey, they realize someone has been siphoning their liquor for years. Mark Rogers plots backwoods justice after finding Mike on his turf. Josh lands a lucrative deal, but Tickle and Henry have other ideas.

Mark and Digger spot their liquor thief on camera as Tickle, Josh and Henry strike gold in Philadelphia with their Peach-Rye recipe. Mike adds insult to injury when he buys out Mark Rogers' sugar supplier, pushing the backwoods shiner to the brink.

Backwoods shiner Mark Rogers delivers a decisive blow to Mike and Jerry, forcing them to rethink their strategy from a distance. Tim Smith faces a crisis and recruits Howard to help revive his flagging sales. Mark and Digger identify their liquor thief.

Tickle's crew resurrects a 400-mile bootleg route from the 1980s, but a shine spill puts them face-to-face with the law. Richard attempts a risky liquor that uses mold to aid in fermentation. Tim turns to honey to get his shine sales buzzing.

Mark and Digger corner a man who stole 175 gallons of their barrel-aged liquor and Mike and Jerry retreat to Mississippi to raise cash for their vengeful return.

Mark and Digger recruit Patti Bryan to help make hot pepper moonshine and nearly blind themselves in the process. When Tickle over-orders blueberries for his restaurant, he has some explaining and shine-making to do. Mark and Huck build a bootleg boat.

Mark and Digger task Amanda and Kelly to find a poisonous berry they can turn into tasty, safe-to-drink shine. Tickle builds a "dead man's" still to keep himself out of the doghouse. A bootleg river journey takes Mark and Huck into uncharted waters.

Mark and Digger recruit a young Kentucky moonshiner to help craft a profitable outlaw bourbon. After tracking Mark and Huck to their mountain still site, Mike and Jerry initiate their revenge plan until a well-aimed shot unexpectedly turns the tables.

Mark and Digger spot an unmarked vehicle surveilling their barrel house. A friendly run of liquor with Big Chuk lands Josh in a high-risk environment.

Mike and Jerry's new submarine still gets washed away by Hurricane flooding. Tickle attempts to persuade accident-prone Josh not to return to racing.

Mark and Digger turn a strange barrel of mash into game-changing shine. Tickle tries an old-school tactic as cold weather stalls an apple brandy mash.

Mark and Digger enlist a new team member who can't testify. Tickle and the Laws must rely on an unproven recipe to turn free sorghum seeds into shine.

To save his run of sorghum liquor, Tickle poaches pumpkins from his wife's patch. A hippie commune stumps Mike and Jerry with an unconventional order.

Realizing they may be targeted by a police stakeout, Mark and Digger prepare for the worst. Howard drinks Tim's last bottle of decades-old rye elixir.

Desperate to discover who is surveilling them, Mark and Digger set a trap while Tim and Howard attempt a new path to recreating the family's high-proof elixir recipe.

Mark and Digger scramble to hide illegal evidence, only to discover the law is a step ahead. In his final run, Kenny lends a hand to a legend in need.