Zasada przyjemności - Season 1 Episode 9
- Zhanri: Crime
- Studio: Canal+ Poland
- Fjalen: detective, prague, czech republic, investigation, leipzig, germany, serial killer, poland, police investigation, czech republic, warsaw, poland, ukraine, odesa, ukraine
- Cast: Karel Roden, Małgorzata Buczkowska, Stipe Erceg, Magdalena Boczarska, Mirosław Baka, Mirosław Haniszewski