The book delves into the intriguing true-crime story of a series of murders in Alabama during the 1970s, focusing on the enigmatic figure of Reverend Willie Maxwell, who was accused of killing several family members for insurance money. Despite numerous suspicions and investigations, Maxwell evaded justice until he was shot at a funeral by a relative of one of his alleged victims. The narrative also explores the involvement of Harper Lee, the renowned author of "To Kill a Mockingbird," who became fascinated by the case and attempted to write her own true-crime book about it. Through meticulous research and storytelling, the book weaves together themes of justice, race, and the complexities of the American South.