Paleontologist Peter Campbell is content working among his dinosaur bones in the basement of the Denver Museum of Natural History. When his love interest Jazmin Rivera, an accomplished botanist, disappears in the uncharted jungles of southern Mexico with the vulnerable Lacandon tribe, he must travel into an ancient land clouded by legend and mystery to find her. Entering a tangled Chiapan landscape that mirrors the darkness within himself, Campbell must escape the Mexican Special Forces trailing the tribe, and an ancient foe who has pursued him through past incarnations. With the guidance of...