Lowell Bergman travels to the Peruvian Andes to uncover the story of a battle for Yanacocha, the world's richest gold mine. Bergman reveals political intrigue including attempts to influence Peru's Supreme Court to rule in favor of an American company. The program investigates Newmont Mining of Denver, Colorado, and meets the crusading priest who leads local campesinos who have opposed expansion of the mine after a toxic mercury spill.