It seemed like just another routine case of a long-missing boy, until Liza McNairy and Danners Forthright traveled to Mexico to uncover the truth. Legends had sprung up in that God-forsaken place centering around el Diablo and the chupacabra and a thousand other tales told in hushed voices by the peasants who nearly all had suffered the grievous loss of a child at one time or another over the past decades. Now, McNairy and Forthright are confronted with one of their most formidable adversaries, one who wants nothing more than to see them both in their graves. Will the intrepid detectives persevere? Or will they do the smart thing and head for home?