In this final instalment of the internationally bestselling Irene Huss investigations, the gang warfare that has been brewing in Goteborg is about to explode. A member of a notorious biker gang has been set on fire - alive. Even in a culture where ritual killings are common, this brutal assault attracts the attention of both Irene's unit and the Organized Crimes Unit. Somehow, the gangs are always one step ahead of the police. Someone is leaking information. But who? Irene's life depends on discovering the answer.