Morderstwo is a short film written and directed by Roman Polanski

Roman Polanski

Roman Polanski is a French-Polish film director, producer, writer and actor. Having made films in Poland, Britain, France and the USA, he is considered one of the few "truly international filmmakers."...

 in 1957. This was Roman Polanski's first completed student short at the State Film School in Łódź, Poland

Poland

Poland , officially the Republic of Poland , is a country in Central Europe bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine, Belarus and Lithuania to the east; and the Baltic Sea and Kaliningrad Oblast, a Russian exclave, to the north...

. The film takes place predominantly in darkness and in one room. It introduces ideas Polański revisited throughout his career. Alternate English-language titles for this film were Murder and A Murderer.