Deep in the jungles of Peru, the hunt for a legendary Incan idol is underway an idol that in the present day could be used as the basis for a terrifying new weapon. Guiding the US Army is Professor William Race, a young linguist who must translate an ancient manuscript which contains the location of the idol. What they find is an ominous stone temple, sealed tight. They open it and soon discover that some doors are meant to remain unopened.