ONE OF MANKIND'S GREATEST LEGENDS HAS BEEN DISCOVERED... A FIND THAT ANY COUNTRY IN THE WORLD WOULD KILL TO POSSESS... ...AND IT'S ABOUT TO CHANGE EVERYTHING. One year ago, a remarkable breakthrough changed what it means to be human. Now, from a new research center in Puerto Rico, Alison Shaw and her team are about to stun the world...again. At the same time, less than a thousand miles away, a mysterious vessel is spotted off the quiet coast of Guyana. Strange circumstances attract the attention of the U.S. Navy, including naval investigators John Clay and Steve Caesare. They soon learn that someone has made a surprising discovery beneath the dark and shrouded canopies of South America. A discovery thousands of years old. As they race to piece the puzzle together, Clay and Caesare uncover a string of facts with frightening consequences...and a revelation that may change the very definition of life on Earth. The discovery of the century has been made...and someone is prepared to fight for it.