When the stranger named Dunbarcomes to the town of Cantera, he shows interest in local history, especially the Frenchman's Quarry and the death of the owner's son twenty years earlier. Dunbar also asks about Pat Roderick, the town marshal, and Dolores Carreau, the Frenchman's widow. And then the murders begin. Now it is Dunbar's mission to pursue the perpetrator, deal with his henchman, and bring him to justice.