The Italian soldier Giuseppe Santucci, on his way home from the Russian front has his machine gun stolen in Warsaw. Afraid of consequences, he stays in Warsaw and occupies a flat of the Polish girl Maria, whom he suspects of stealing weapon. Maria indeed is an active member of the Polish resistance, contrary to her brother, Staszek, a painter, who only wants a calm living. In a course of events Giuseppe falls in love and, along with Staszek, becomes a hero of the Polish resistance.

A man hops off a train by the small town where he claims he was before. His presence allows to bring out the inner feelings and beliefs of the inhabitants. A man who has hidden through all of the war because he looked Jewish, even if he is not, took on a fame of a dead Jewish actor he resembles. The visitor's wife shows up to claim his and indicate that he is always running off. He escapes in the end for another town.

1958 film by Andrzej Wajda

1965 Polish film by Wojciech Jerzy Has