Ninety-year-old Mary Morrison is getting younger every day, and her Alzheimer's and arthritis are in complete remission. Mary looks, acts and feels like an eight-year-old, and her antics are driving her children crazy. She is one of the eleven people who have been affected by newly-discovered "biotectanium". Pure Gold chronicles the discovery of this element derived from gold and the lives of those whom it has given the opportunity to relive their childhood.