A Black Forest Thriller

In its chilling fourth season, ZDF’s acclaimed series, "A Black Forest Thriller," plunges viewers back into the shadowy depths of the ancient German woods. Detective Klaus Richter faces his most perplexing case yet when a series of bizarre disappearances seems connected to a long-dormant local folktale. As he follows the cryptic clues, Richter uncovers a dark conspiracy that reaches the highest levels of the isolated community, forcing him to confront the town's buried secrets and his own past. The line between myth and reality blurs in a tense, atmospheric hunt for the truth, where every shadow could hide a predator. The gripping investigation and stunning twists kept audiences on the edge of their seats. season 4 ended on October 06, 2025 sign up for a reminder.