When Pinkerton operative Temple Bywater arrives in Saratoga, Wyoming, he is met by a bullet, and then by a mystery. Senator Andrew Stone has been murdered. But is the killer Nathan Wedge, the banker next in line to take Stone's place? Or did lawyers Forrest and Mill Jackson, and town marshal Tom Gaines, all have a hand in the murder? Those and other questions must be answered by Bywater, his Pinkerton sidekick, Clarence Sugg, and Texas Jack Logan. Faced by gunmen whose allegiances are cloaked in mystery, Temple Bywater fights on. The showdown comes in Saratoga, when he must rely on his speed of hand. Will he come out on top in a bloody gun fight against an adversary who is not only tough, but completely unforeseen?