Rookie mistake could leave Josh and Chuck's operation dead in the water; Tim Smith travels across the Atlantic to teach an old Irish distillery a thing or two about making moonshine; Mark and Digger's mash test is interrupted by an unwanted visitor.

Mark and Digger struggle to get a special recipe run for a shine legend. Big Chuck attempts to redeem himself after destroying Josh's operation. Chico and Sandra continue work on their still site but disaster strikes on the road to riches.