The car of automotive tuner Bernd Gröber (Horst Kummeth) is a 1975 Dodge Royal Monaco custom-made pickup. The same car had been already used in episode 8.07 ("Man lebt nur einmal") by character Irma Westermühl (Monika Baumgartner) and is often visible as background vehicle in other episodes of the series.
Other than usual, Dr. Franck is called for help before his client could be alleged of a murder.