Hannah Aschenbrenner looks back on a long string of failed relationships and career ideas. Now she believes she has finally found happiness and moves from Bavaria to Baden due to an affair with Jochen Weiss, the director of the Schwarzwälder Hotel Rebenglück. But then Jochen is found dead in his bed. Commissioner Björn Klingele suspects a murder out of jealousy. To prove her innocence, Hannah conducts her own investigation. In the process, she encounters mysterious legendary figures, uncovers high-stakes secrets, and puts herself in mortal danger.