The eighth episode of the Dekalog series, written and directed by Krzysztof Kieślowski, deals with the Catholic commandment "Do not bear false witness", exploring a moral conundrum that puts two people in an emotional dilemma. Zofia, a renowned ethics professor, is confronted with her own past when a Jewish woman tells her about a Catholic couple who refused to give her shelter during the Second World War. Zofia belonged to that couple.