A critical clue on Snake Island sends the team into the dangerous Paraguayan jungle, with more deadly predators than before. A historic artifact brings them closer to the treasure, but two life-threatening encounters nearly end the expedition.
The team finds even more artifacts that lead them closer to treasure. They meet with a local historian who gives them an invaluable clue, but also a warning about the treasure's dark and cursed past, forcing them to reconsider their strategy.
The team uncovers proof of treasure in the jungle near a historic mission, and a spooky visit to an antique black market yields a tantalizing taste of Jesuit silver, leading them up one of the most dangerous rivers and deeper into this cursed history.
Misfortune chases the team when a deadly caiman sets its sights on Mehgan, but then a potentially crippling accident leads to an astounding find, a coded message from the past that could make it all worth it.
The treasure hunters make a historic discovery in a cave system, but not one they expected, and a run-in with a jaguar leads to another revelation, but the new trajectory has tragic consequences for Captain Keith.
After a tragic event on their way to a Guarani village, the team secures vital information from the village elders who speak of a special stone hidden near "The Demon Falls" that carries directions to the resting spot of a legendary fortune.
The team tracks down a unique marker, taking them to a maze-like location riddled with waterfalls and caves. Their determination pays off as they start unearthing priceless artifacts and finally hone in on the resting place of the treasure of the trinity.