Set in New Orleans, Detective Dave Robicheaux is fighting his demons to overcome his toughest case yet. Powerful mob boss Tony Nemo has a Civil War sword he'd like to give to Levon Broussard, a popular local author whose books have been adapted into major Hollywood films. But Tony's intentions aren't pure; he believes the gift will lead to a slice of Broussard's lucrative film adaptations. One of the greatest American detectives is back!