Pulitzer prize-winning author Jonathan Weiner's revealing story of the science that is about to change all life forever. When Stephen Heywood, a carpenter, discovered he had ALS, a gradual, mysterious deterioration of the nervous system, Jamie Heywood gave up his lucrative job to try and save his brother's life. He worked with cutting-edge scientists in a race to find a cure. Through this remarkable journey with a family in crisis, we are given an overview of the various gene therapies that are still on the horizon, capable of potentially bringing back those suffering from neurological diseases such as ALS, Alzheimer's and Parkinson's.