If, after nearly being done in at the conclusion of Tombstone Courage, newly elected Cochise County, Ariz., sheriff Joanna Brady thought she deserved a calm spell, she had another think coming. The plucky widow, whose sheriff husband was slain on duty, reluctantly leaves her 13-year-old daughter and comfortable hometown of Bisbee for Tucson, where she enrolls in a sorely needed law-enforcement course. The big city is besieged by a number of brutal...