Brandt is not at all pleased that Wiesel has been honored for his police work. As a silly argument breaks out between the two investigators, Köster and Seidenpfennig take over. Because a new case requires the utmost professionalism: The universally unpopular Volker Pinkwardt lies dead in his apartment with a head wound. A tragic accident or murder? More and more suspects and questions emerge. And then there's the question of why Wiesel has been behaving so strangely lately, regardless of his qua...