Moonshiners Mark, Digger, Tim, and Tickle delve deep into bourbon country's darkest secret. When 200 bottles of the coveted Pappy Van Winkle vanish, the theft of the world's most expensive bourbon is just the tip of a staggering criminal conspiracy.

Moonshiners Mark, Tim, and Josh drive the notorious Thunder Road in Dawson County, Georgia, to investigate the murder of "Lightning" Lloyd Seay, a notorious bootlegger turned pioneering stock car racer who was killed over a few bags of sugar.