When the postman comes to Ubbo Heide this morning, he brings a great package. Inside is a severed head of a man, whom Ubbo Heide knows. For years he has tried to deliver him to justice, but the courts had to let him go. Now another has completed the work for him. Then a second head is found and nobody knows who killed these people. Ann Kathrin Klaasen increasingly feels that the offender is always one step ahead. It almost seems as if the killer comes from their own ranks. Ann Kathrin suspects who the next victim will be. Can they set a trap for the offender?" -- goodreads.com.