In 1931, just before the New Year, in a house of architect Henryk Zaremba scream rips the night. The daughter of Zaremba is found killed in her bedroom, obviously killed with a pickaxe. The police arrives and starts the investigation. Rita Gorgonova, the governess of the girl and also lover of Zaremba becomes the main suspect. Film based on real events - investigation and court trials of the most famous pre-war Polish murder case. Despite being historically accurate the movie is both involving and entertaining since the case was simple on the surface, but very complicated in details.

Historia dochodzenia i rozprawy sądowej głośnego zabójstwa, do którego doszło w latach 30 -tych. 30 grudnia 1931 roku w willi inż. Henryka Zaremby w Brzuchowicach k. Lwowa zamordowana została jego siedemnastoletnia córka. O morderstwo oskarżono Ritę Gorgonową, gospodynię, kochankę i opiekunkę dzieci Zaremby. Kiedy się poznali, ona miała 23 lata, on 41.