Two strangers, Jerzy and Marta, accidentally end up holding tickets for the same sleeping chamber on an overnight train to the Baltic Sea coast. Also on board is Marta's spurned lover, who will not leave her alone. When the police enter the train in search of a murderer on the lam, rumors fly and everything seems to point toward one of the main characters as the culprit.
Lucyna Winnicka
as Marta
Leon Niemczyk
as Jerzy
Teresa Szmigielówna
as Lawyer's Wife
Zbigniew Cybulski
as Staszek
Helena Dąbrowska
as Conductor
Ignacy Machowski
as Sleeping Car Passenger
Roland Głowacki
as Murderer
Aleksander Sewruk
as Lawyer
Zygmunt Zintel
as Passenger with Insomnia
Tadeusz Gwiazdowski
as Conductor
Witold Skaruch
as Priest
Michał Gazda
as Passenger flirting with the Lawyer's Wife
