Chasing a two-billion dollar fortune, a landslide and the infamous "Death Road" immediately put the treasure hunters in life-threatening danger as they attempt to cross South America's treacherous Andes Mountains.
Smashing into a secret underground tunnel system, the team scours the subterranean cavern searching for the $2 billion treasure.
The team is trapped in an ancient, underground tunnel putting the search at risk. Using just the gear they have on site, the crew rigs a remote-controlled camera that finds the expedition's most significant treasure.
Falling boulders threaten the crew and the dig site. Their dangerous solution could trigger a massive landslide. Deep underground, Shawn and Jeremy recover their first piece of Jesuit gold, a mysterious artifact that could lead them to the final location.
Chasing the treasure on two fronts, the team finds both evidence of a route used to transport the fortune and a Jesuit artifact that could provide the most critical information the location of the treasure's final resting place.
The team uses explosives to blast their way to the treasure. Shawn and Javier unearth the expedition's largest find yet, confirming they are on the path of the treasure.
Toxic fumes threaten to end the team's search, so they must improvise a solution. Then, a startling discovery by an aerial drone uncovers a location that puts the crew at the threshold of the two billion-dollar fortune.
The team searches the massive tunnel, but with the valley on the verge of flooding, they're forced to put their lives at risk. Their risk pays off big, placing them on the threshold of solving the 300-year old Sacambaya mystery.