Todd Hoffman and his crew head to South America, putting all their lives on the line, braving malaria, poisonous snakes and quicksand to set up a mining operation in a patch of hostile jungle deep in Guyana. Meanwhile, Parker Schnabel takes the biggest decision of his life at just 18, he's putting his $160,000 college fund on the line for a shot at the big time with the big boys in the Klondike.