Mexico, present day: a revelation of precious knowledge from the past has the power to change the course of humanity's future. Treasure-hunting husband and wife team Sam and Remi Fargo are in Central America when they come upon a remarkable discovery - the skeleton of a man clutching an ancient sealed pot. Inside the pot is a well-preserved Mayan book. The book contains astonishing information about the Mayans, about their cities, and about mankind itself.