A biography of Charles "Pretty Boy" Floyd, a gangster who started his career at a young age after seeking revenge for his father's murder.

At the end of the Civil War, a major shipment of Union gold has been stolen and buried in the desert. Only one man knows the whereabouts of gold and the US Army sends captain Matt Martin to arrest him and come back with the gold. Martin, his prisoner and a handful of men enter Indian territory in search of the precious cargo. The Apaches, outlaws and storms will make it difficult.

Noble, wise King Sardanapolo and his more soft and naive younger brother Prince Sammash get into a bitter feud over the affections of sweet and alluring innocent peasant girl Mirra. Meanwhile, the treacherous and ruthlessly ambitious General Arbace plots against both siblings.