"Joe O'Brien, a forty-four-year-old police officer from Charlestown Massachusetts is a devoted husband proud father of four children in their twenties and respected officer. Joe has bouts of disorganized thinking uncharacteristic temper outbursts and strange involuntary movements. A neurologist diagnoses Huntington's disease with no treatment or cure. Each of Joe's children has a 50 percent chance of inheriting it. A simple blood test can reveal their fate"--From the publisher's web site.