He took a knife from his pocket. Seven inches of beautifully crafted black volcanic glass, as sharp as a surgeon's scalpel. With a single powerful slash, he cut from ear…An orchestrated series of ritual killings has shocked the nation. Partnered by New York Police officer Lily Rothenburg, Detective Lucas Davenport will need all the tricks he has learnt on the streets of Minneapolis as he searches through the shadows and mysteries of the American Indian community, trying to track down the obsessed minds behind the bloody vengeance killings – before the team of killers finally goes out of control.