Karen Hamilton and the Jacob Mendel cash in the Amazon jungle after the chopper is attacked by rebel forces. As the only survivors they must join forces or die. Hunted by the rebels who want to harm them and the harsh realities of the jungle leave them few options. It is then that they are rescued by an ancient and mysterious humanoid race called the Ixmucane. The Ixmucane may look terrifying in appearance but they are kind and give them protection. The Ixmucane possess many secrets among them the secret of eternal youth.