Paleontologist Grant Coleman and activist Janaina Silva are recruited by Thana Katsoros for a top secret expedition, one in search of a live Apatosaurus on a plateau deep in the Amazonian rain forest. B
But their plane crashes short of their destination, and the entire group faces a terrifying fight for survival. This isolated area hosts unknown animals more fearsome than they'd expected, including giant ants and flesh-eating pterosaurs.
Even worse, Katsoros' agenda has more to it than meets the eye, and Grant soon fears that it doesn't include all of them getting back alive.