Duane Ollinger sinks everything he has into hunting for what he believes is a vast fortune of gold on his property; with each step he takes closer to finding the treasure, the land appears to hold on tighter and stop him in his tracks.

With an access tunnel to the underground cavern finally opened, and a tantalising clue discovered, Duane's son Chad takes a risky dive into the flooded cave system -- and what he finds defies all explanation.

Duane decides that the flooded cave is too dangerous to dive into again, forcing the team to explore new access points to the underground cavern system. But something lurking in the darkness forces everyone to reevaluate their safety.

While searching unexplored areas of the ranch for an alternate entrance to the cavern system, the team discovers mysterious ancient markings on a cliffside and a mining shaft dug deep into the mountain that could lead them right to the gold.

Duane Ollinger has sunk everything he has into hunting for what he believes is a vast fortune of gold on his property. But with each step he takes closer to finding the treasure, the land seems to hold on tighter, stopping him in his tracks.

As winter closes in and the digging season nears its end, Duane takes a final shot at getting into the underground cavern, but uncovers a whole new mystery about the land he owns.