Tatort S2009E15 - Kappl - 4 - Bittere Trauben

In Vino Veritas - the fourth case, Maximilian Brückner and Gregor Weber take them to the vineyards on the German-Luxembourg border. The wine inspector at the Saarland Institute for Food Chemistry, Gerhard Nieser, is found murdered on the outskirts of Saarbrücken: winegrowers tremble before him, wine shops fear his visit. The last wine test took place on the anniversary of Nieser's death at winegrowers in Bernheim, Saarland, a small community near the French-Luxembourg border. For the inspectors Kappl and Deininger, the suspicion that the murder is related to it is obvious. The winegrowers Richard Altpeter (Thomas Sarbacher) and Alwin Eckes (Timo Dierkes) are quickly targeted by the investigators.
But the married couple Jean-Paul and Isabel Weickert (Marco Lorenzini and Katharina Müller-Elmau), who run a wine shop in the state capital, also aroused the inspectors' interest. At the Bernheim Wine Festival, where the Wine Queen (Lisa Marie Potthoff) turns the chief inspectors' heads, they make interesting discoveries. Meanwhile, in Saarbrücken, Ludwig Kappl (Konstantin Wecker) and Gerda Braun (Alice Hoffmann) are getting closer...