When FBI Agent Mo Black returns to the Reservation for an Enemy Way Ceremony he thinks his problems are behind him. But when a man is brutally murdered and the family demands justice only the FBI can provide Mo finds himself drawn in. Soon he is hot on the trail of two crazed killers. Wreaking havoc on and off the Big Rez the two men lead the tribal police and the FBI into the most remote corners of the Navajo Nation before they simply disappear. Do the men have supernatural powers? Does Mo Black after living in the city for years still believe in Skinwalkers? Will Mo stop the deadly rampage and bring justice to the reservation? Will the stories he listened to as a boy help him now? Can he follow in the footsteps of the legendary Navajo Twin? Using a combination of luck, skill, and an understanding of the Navajo Way Mo tackles a case that threatens his land and the lives of those he loves.