One June evening, a Krakow prostitute nicknamed Rączka is accosted by a bloody man who wants to spend the night with her. The girl agrees, but when the next day she learns that a gruesome crime has been committed near the place where the mysterious customer accosted her, she reports the night's meeting to the police.
| Actor | Role |
|---|---|
| ZZygmunt Hübnerinvestigating judge | investigating judge |
 Edward Żentaraapprentice Jerzy | apprentice Jerzy |
 Henryk TalarJan Rumień | Jan Rumień |
 Dorota StalińskaRączka | Rączka |
 Zdzisław Kozieńlawyer | lawyer |
 Arkadiusz Bazakprosecutor | prosecutor |
 Bożena DykielRumieniowa | Rumieniowa |
 Leon NiemczykBigalski | Bigalski |
 Franciszek PieczkaSiewka | Siewka |
 Edward Linde-LubaszenkoStolarski | Stolarski |
 Krystyna Wachelko-ZaleskaStolarska | Stolarska |
 Jan Pyjorjudge | judge |
 Piotr MachalicaFikus | Fikus |
 Mariusz Gorczyńskipoliceman | policeman |