When Duane Ollinger falls ill, treasure hunter Josh Feldman takes over the hunt for Aztec gold; Josh and his father track down a Mormon journal that holds clues about the treasure.

Following the clues from a secret Mormon journal, the team discovers a collapsed mine entrance that they believe leads to the Keyhole Chamber and the lost Aztec treasure.

The team descends into the secret Mormon mine entrance where the team finally finds the Keyhole Chamber and uncovers the truth about the Aztec gold.

After exploring the Keyhole Chamber, the team uncovers evidence of another Aztec treasure chamber below Blind Frog Ranch called the Golden Staircase.

James and Josh continue to decipher clues from the Rhodes journal map in their search for the mysterious Golden Staircase.

Charlie consults local experts to expel powerful forces lingering on the ranch while the team deploys cutting-edge tech to scan beneath the mysterious stone door.

The team drills into volatile ground above the Golden Staircase as outsiders get uncomfortably close. After blasting through a massive boulder, they break into a hidden tunnel and rappel down to explore what lies below.

As winter looms over Blind Frog Ranch, the team rappels into a cavern but gets lost in a maze of tunnels.