A routine assignment transporting two death-row prisoners to their executions goes fatally wrong when they escape, leaving Dave Robicheaux brutally wounded. Obsessed with revenge Dave is persuaded by the DEA to go undercover into the torrid sleepy depths of New Orleans, a volatile world of Mafia drug running and Cajun voodoo magic. Here he becomes irrevocably ensnarled in the nightmare that is mafia don Tony Cardo's life, pitting himself against his own worst fears in a desperate attempt to recover his own sense of self.