Four stories showing the various facets of love.

Three children strike a deep friendship after a chance encounter during World War 2.

A day before the beginning of the Second World War, a young resident of Bydgoszcz falls in love with a German teenager.

University student Anna and her boyfriend Tomek use a precious photograph to trace and unveil the complex wartime and post-war past of their parents.

Soldiers of the Polish underground resistance army prepare to break into a prison to release their friend imprisoned by Gestapo.

Szymek, a young man at clash with his home village takes up a job as a geologist and marries a girl whose parents dissaprove of him.

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.

Rumsza, the elderly railwayman, leading a sedate life with his wife, misses his only remaining son (two older boys were killed in the war). Joziuk finally returns from the military in the first scene but with the pregnant Zosia, while Rumsza expected him to marry Celinka, the daughter of Krywka, his only friend and neighbour. The hero will not accept the new situation; he throws his son and Zosia out of his house. Celinka is distressed but she still harbours hope for Joziuk. The birth of the child changes the situation: Rumsza accepts his son's relationship but Celinka decides to leave.

In the last days of WW2, Polish military looks for the murderer of prosecutor responsible for storing Gestapo files.

A former resistance fighter returns to his hometown after being imprisoned, bent on enacting revenge on the man that sent him behind bars.