"The Good Daughter" is a psychological thriller novel by Karin Slaughter. The story revolves around two sisters, Charlie and Sam, who face a traumatic event in their childhood that shapes their lives. Years later, they are forced to confront their past when a violent crime occurs in their hometown. The narrative explores themes of family loyalty, trauma, and the complexities of relationships. As the sisters navigate their intertwined fates, secrets are revealed, and the impact of their shared history becomes increasingly significant. The book delves into the challenges of healing and the struggle to protect loved ones.