Entangled in one of Louisiana's oldest and bloodiest gangland feuds, Detective Dave Robicheaux faces the most sinister adversary he's ever encountered. The star-crossed teenage heirs to New Iberia's criminal empire have eloped, and Robicheaux is tasked with finding them. But his investigation takes him deep into the underworld, and now a jealous kingpin wants him and his partner, Clete Purcel, dead. To rescue the young lovers, Robicheaux must face down a terrifying hitman capable of inflicting horrifying hallucinations on his victims, and overcome the demons that have tormented him his whole life...