 Kelly organizes an expedition into a harsh, remote corner of Utah's canyon country.A portion of the team learns that the city of Quivira held not gold, but micaceous, golden colored pottery, and that it also was a center for an Aztec death cult, which had enslaved the native Anasazi people.The Aztec rulers used black magic, aided by a powder of the fungus Coccidioides immitis which could kill by causing Coccidioidomycosis.