Ziarno prawdy, 2015, 110 min.
| Director | Borys Lankosz | |
| Screenplay | Borys Lankosz, Zygmunt Miloszewski |
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| Cinematography | Lukasz Bielan | |
| Music | Abel Korzeniowski | |
| Art Directors | Magdalena Dipont, Robert Czesak |
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| Producer | Anna Drozd |
| Prosecutor Teodor Szacki | Robert Wieckiewicz | |
| Leon Wilczur | Jerzy Trela | |
| Prosecutor Barbara Sobieraj | Magdalena Walach | |
| Klara | Aleksandra Hamkalo | |
| Grzegorz Budnik | Krzysztof Pieczynski | |
| Rabbi Zygmunt | Zahar Strauss | |
| Jerzy Szyller | Andrzej Zielinski | |
| Jan Wiewiorski | Arkadiusz Jakubik | |
| Frantic | Piotr Glowacki | |
| Rojska | Maria Mamona |
A big shot prosecutor Teodor Szacki divorces his wife and leaves Warsaw to start a new life in picturesque town in south-east Poland – Sandomierz. After a short while he is called in to investigate a strange and mysterious murder case. Alienated in provincial reality he struggles to find a killer, when he stumbles upon more victims. While the investigation continues he realizes that all murders are connected to alleged historical Jewish ritual killings. Those murders prompt a wave of anti-Semitic hysteria in the town. In his investigation Szacki must wrestle with the painful tangle of Polish – Jewish relations and real findings of his work – that roots of some legends are fantasy, not a grain of truth.