Diamonds are being smuggled on a formidable scale from Africa, via Britain, to America. 007's assignment is to break the ring. It takes him to the racecourse and mud-baths of Saratoga Springs, to the gaming tables of Las Vegas, the ghost town of Spectreville and beyond. The Spangled Mob threatens to be too much even for Bond, but help is at hand in the shape of co-conspirator Tiffany Case.