An archaeologist mysteriously dies after discovering a time portal on the ancient desert drawing of the monkey in Nazca, Peru. A professor from NYU takes two students on an expeditionary field trip to Nazca to investigate both the time portal and the death of his friend. While in the time portal, the professor witnesses a future terrorist attack on the United States and begins a race against time to convince the authorities that what he has seen in the time portal is true. The professor and students are also on a deadly collision course with local bandits who are looting the ancient grounds for lost Inca gold. Before they leave Peru, the professor and students must confront the terrorists in the final battle of this thrilling historical journey that spans two continents and five hundred years.