A rumour re-emerges about the fabled King Solomon's mines, a legend about fabulously rich gold mines in Africa, immortalized in novels and movies. James Buchanan, an exploration geologist in Tanzania, who has already solved the mystery of the 'plagues' in America to help US President Caitlin Custer to prevent a national disaster, sets out to investigate.
James soon realizes from his research on gold mines in the Middle East and North Africa that there were no major gold deposits that could have been King Solomon's mines during his lifetime. James works on the assumption that the legends refer to King Solomon's Gold, a golden treasure hidden somewhere in Africa. Using his geological knowledge, he progressively eliminates the possibilities, but discovering the real location is more difficult and hazardous. Can he do it alone, or will he have to call in a favour from President Custer to seek her political help?