Ubbo Heide, the retired former chief of Aurich’s Criminal Investigation Department, receives a package with a severed head inside. He identifies it as belonging to Bernhard Heymann, the prime suspect in the murder of his own six-year-old daughter, Steffi, years earlier. Rupert learns the package was dropped off by a woman in her mid-30s. Further inquiry reveals the sender’s name and address are fictitious ...