As a forestry student doing an internship, Anja Grimm ends up in that remote area in the Upper Palatinate Forest, where she went on vacation with her parents as an eight-year-old girl and her father disappeared without a trace. Her job is to take soil samples to create a soil map. At one point in the forest floor she comes across abnormal irregularities. Not long after their arrival, a brutal murder occurs. Anja soon arouses suspicion and hostility not only among the villagers with her suspicion...