1527, Pizarro captures King Atahualpa. The ransom - a room filled with gold. But, Pizzaro refuses to release him. He knows that there is a mine somewhere, a vast tunnel full of gold, and he wants it. When the Indians hear that Atahualpa is dead, they bury the gold, and hide the mine entrance. 1923, a tunnel is found near Cuzco. 15 days after a team enters the tunnel, a single survivor returns. 1972, earthquakes reveal more tunnels beneath Lima. A man reports to have personally seen the tunnels and to have walked in them for many weeks. He had crossed South America completely, surfacing miles away. New Orleans, 2018: Scientists enter a tunnel near Machu Picchu at the request of the United Nations. The CIA moves to stop them. Miles underground, they discover far more than gold. Follow this story along every inch of those tunnels, and wonder, could it be true?