"This Dark Road to Mercy" is a novel by Wiley Cash that follows the story of two sisters, Wade and Easter], who are placed in a foster home after their mother's death. Their lives take a dramatic turn when their estranged father, {Gus, a recently released convict, seeks to reclaim them. As the sisters navigate their complex emotions and the dangers posed by their father's past, they embark on a journey filled with suspense and moral dilemmas. The narrative explores themes of family, loyalty, and the quest for redemption against a backdrop of Southern landscapes.