Inspector Mark Kleinert is transferring a criminal to Istanbul when he gets an urgent call from his girlfriend Carla, who wants to see him in Istanbul right away. When he arrives at the hotel, Carla is dead – and Jo Weiss, an undercover agent with Germany’s Federal Crime Bureau (BKA), is observing him. It seems that Jo also had a relationship with Carla... Who can be trusted? Who is playing false? After another murder, it becomes clear that Carla’s death is concealing a much bigger crime.
