Evelyn Grant, newly widowed, returns to her hometown of Jefferson City, Missouri, where she rents rooms in her old family home across the street from the Missouri State Penitentiary. Then Evelyn sets about trying to see her mother for the first time in forty years. She knows where to find her - across the street, behind the limestone wall: Mabel Grant is serving a life sentence in the penitentiary for murdering the twin babies of a neighbour. Evelyn makes the acquaintance of Roz Teal, who has befriended a condemned prisoner soon to be executed. Through Roz Evelyn meets Ezekiel, lifetime convict, who leads Evelyn to her mother. A novel about loss and healing and unexpected bonds. Moving, poignant, Limestone Wall explores the tragic and the absurd in one town, one prison, and one person's past.