Unfortunately natural, unsettlingly suicide, or alarmingly murder? These perplexing questions about six deaths in the past year plague Heartland Home, a full-service care facility located in the Mississippi River town of Davenport, Iowa. Administrators at Heartland are hesitant to report these matters to the police for fear of alarming the over 300 residents. Disingenuously semi-retired private investigator Bertrand McAbee is smooth-talked by his...