Schmutzige Geschäfte

Their latest explosive case leads Commissioner Nikolas Heldt, Commissioner Grün and Mario Korthals to the medium-sized paint manufacturer Kraft Farben. Prior to this there was an attack warning. An anonymous caller warns of a bomb attack against a Bochum police station. Heldt can stop the alleged perpetrator, a certain Derja Afridi, in time. But it turns out that someone had taken the liberty of a bad joke.