Investigating police brutality leads Cajun police detective Dave Robicheaux and his partner Helen Soileau on a trail that goes back to the 40 year old murder of labor organizer Jack Flynn. As the mystery deepens, New Orleans Mafia and shadowy figures from the Chines Triads surface, and Burke brings to life a world of racial violence, class warfare, and abusive power of the privileged in a wrenching tale of historical violence and soiled redemption.