A British woman named Sandie travels to Texas to visit her fiancé, Reginald Blanton, who is a death row inmate at the Polunsky Unit. Despite the physical barriers of the prison and the looming threat of his execution, Sandie remains committed to their relationship, which began through letters and has grown into a deep, spiritual connection. The film explores the emotional toll of their situation as they navigate the complexities of the American legal system and the challenges of maintaining a relationship under such extreme circumstances.