Alistair Jones is a ex-Pinkerton agent roaming the West in search of work. Amy Dunston is an angry widow searching for answers. Who knows what those men with matching mustaches and bowler hats are searching for, but Alistair and Amy would both like to know why there are so many of them, why they all look alike, and why they're impervious to bullets - at least until they met the business end of Alistair's .52-caliber 1874-pattern Sharps rifle. It...