When a cruelly arranged body was found in the Alps pass near the German-Australian border, two detectives were sent to investigate.The corpse was placed in a strange way on the desolate mountain road, which was chilling.For German female agent Ellie, this was the first real challenge in her career; while her Austrian partner Geden seemed to have lost her enthusiasm and ambition for her job. As the investigation unfolds, they soon find more crime scenes—each filled with symbolic victim gestures, as if some kind of ancient pagan ritual was reproduced.All this seems to point to a larger, darker plot.Faced with the escalating cases, Ellie is under increasing pressure. She must interpret the motives behind this crazy killer as soon as possible to stop him from continuing to commit the crime. The process of tracing them step by step into the deeper darkness - not only the deep valley and the Alpine village that retains the ancient tradition, but also enters a murderer world full of paranoid and distorted psychology.There, faith and violence intertwined, reality and hallucinations blurred, and time was passing by minute by minute...