Nellie Bibbie was an older woman living on her own when she took a police officer's advice to get a watchdog for protection. What Nellie didn't know when she brought home a mixed-breed puppy she named Duty, was that she had found the greatest friend of her life.Nellie was captivated by Duty's endearing personality and his fierce devotion to her. Duty was far more than an animal that would warn her against intruders, he was a companion who would faithfully...