For years, Pulitzer Prize-winning columnist Anna Quindlen has been admired for her extraordinary intelligence, insight, and honesty. A young woman sits in jail, accused of the mercy killing of her dying mother. She didn't do it, but she thinks she knows who did. In the last months of her life, Ellen Gulden's mother revealed startling secrets that challenged everything Ellen believed about her family. Now, in jail, Ellen believes those secrets will tell her who had the courage to end her mother's suffering.