This episode reviews King of Ashes as a Southern noir about family, debt, violence, and the kind of past that waits at home with the lights off. S. A. Cosby builds a story around Roman Carruthers, a man who thinks he has escaped his hometown, only to return and find his family trapped in crime, addiction, secrets, and old damage. In three minutes, the episode asks whether the novel’s darkness makes it more powerful, or whether its relentless brutality sometimes burns away the nuance.