Sister Agatha is an extern nun -- the link between the cloistered sisters and the community -- for the Our Lady of Hope monastery in the small town of Bernalillo, New Mexico. Using the skills she developed as an investigative journalist before she heeded the calling to become a nun, Sister Agatha has become renowned -- sometimes even infamous -- for her crime-solving skills. Sister Agatha is being sorely tested. Our Lady of Hope monastery is about to close its doors for good, causing much emotional turmoil. And now, her friend and ally, Sheriff Tom Green, has been detained for questioning in the brutal murder of his rival for political office. Sister Agatha, with the help of a K-9 companion and her old, unreliable car, the AntiChrysler, must bring her talents to bear on what is sure to be her most important case ever.