Dave's crew is hunting for better ground and behind on their gold target. To turn their season around, Dave calls on a mining legend for help searching for gold at the historic Birdseye mine in Montana.

Entering 50-year-old abandoned tunnels of Lovitt Day Mine, Dave is on the hunt for hundreds of millions of dollars of gold left in the rock. With the last living miner to work these tunnels, Dave searches for a life-changing haul of hard rock gold.