April 1950: The rusting hulk of a steam locomotive rises from the deep waters of a Montana lake. Inside is all that remains of three men who died forty-four years before. But it is not the engine or its grisly contents that interest the people watching nearby. It is what is about to come next . . . 1906: For two years, the western states of America have been suffering an extraordinary crime spree: a string of bank robberies by a single man who cold-bloodedly murders any and all witnesses and then vanishes without a trace. Fed up by the depredations of the “Butcher Bandit”, the U.S. government brings in the best man they can find — a tall, lean, no-nonsense detective named Isaac Bell, who has caught thieves and killers coast to coast. But Bell has never had a challenge...