Husband-and-wife team Sam and Remi Fargo must follow a golden treasure map--leading to either mankind's greatest prize or its most deadly threat in the latest exciting adventure in the bestselling series from Clive Cussler, Grand Master of Adventure.

Husband and wife treasure hunters Sam and Remi Fargo are delighted to be opening a new wing at the history museum in Quito, Ecuador. This exhibition will feature several items that they recovered from the 200 year old shipwreck of the Mary Dear.
But what should be celebratory event is shattered when thieves crash the party and steal the ship's log and some letters from the captain. The Fargo's quest to find the mastermind behind the theft will send them on a deadly trail and ultimately lead them to a lost Incan city that holds a secret that could threaten all mankind.