Veteran miners the Dale Brothers use their life savings to buy over 60 long-abandoned mines in Bear Gulch, Montana, to prove that the old timers who quit the mines 80 years ago missed one of the largest untapped gold structures in America.
A catastrophic cave-in forces the Dale brothers to find a new path to Ole's Gold while John tries to open a pipeline to the deep one by melting the ice in the B&H.
A cache of unexplored rounds left by the old timers could blow the Dale brothers path to the deep ore sky high; tensions boil over at the Pete & Joe as the brothers race to Ole's Gold before winter.
A shocking discovery throws Ole's legend into doubt, so the Dale brothers spend 48 hours searching their claims for proof that Bear gulch is on the brink of a gold boom.
A gold-rich sample turns the Mohave mine into a new target for the Dales, so the family rushes to save the site's 80-year-old mill and machine shop before an impending winter storm causes them to collapse.
The Dales find a 50-foot swamp of subterranean muck standing between them and Ole's Gold.
The Dale Brothers race to replace a failing cap beam in the Pete & Joe #3 before it collapses under the weight of seven stories of earth and brings their hunt for Ole's Gold to a disastrous end.
The Dale's enlist the next generation to tackle the mud pit standing between them and Ole's Gold, while oldest brothers Rick & John launch a frontal assault on the ice blocking their path to the deep ore.
Winter chases the Dales out of Bear Gulch, but a break in the weather gives them one last shot to find Ole's Gold this season.
A terrible discovery dashes the Dale brothers' plan to reach Ole's gold, but a clue left by the old timers reveals an unexpected path to the prize.
Another shot at finding a legendary gold vein.
Wildfires throw the Dales into a state of emergency.
The Dales attempt a risky installation of portal sets.
A wall of dead air stands between the Dales and Ole's Gold.
Rick and Brian make a discovery that changes everything.
The Dales finally find Ole's Gold at the Pete and Joe #6.
The Dales pour all their resources into the Pete and Joe #5.
The Dales need to install air and water at Pete and Joe #5.
The Dales hire a new hand in the race to Ole's Gold.
The Dales put everything on the line to reach Ole's Gold.