Mark and Digger attempt oatmeal raisin shine for a high-flying Nashville customer; Mike and Jerry find themselves under the gun when they over deliver on proof to a biker gang; Mark and Huck forge a lifeline to old-time shiners deep in the mountains.

After Mike asks the wrong shiner for help, Mark and Digger land a skilled new partner. On a mountain run, Mark and Huck nearly meet the barrel of a gun. Jerry attempts a comeback as a land sale forces him and Mike to abandon their column still site.