Lidschlagfrequenz

The Harz Mountains do not come to rest. Inspector Andreas Kamenz and his young colleague Finn Neudorf are curing their injuries sustained in an explosion in Clausthal-Zellerfeld. While Tilla is very worried about Finn, who is suffering from mental problems, Andreas is struggling with the fact that his brother managed to escape. Of all people, Andreas' family protects Gregor from the police. Eventually, Gregor succeeds in resurrecting the infamous Venetian Order. However, to complete the lucrative scam, which Tilla and Andreas have managed to thwart for the time being, he needs the special knowledge of Finn Neudorf. Then a gruesomely mutilated woman's body is found in the Oker valley. Profiler Hanjo Berking fears the first crime of a serial killer.