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.

WWII. Zyga, one of the Resistance soldiers in Kraków is arrested by Gestapo. Soon later the Germans make a number of other arrests and Zyga is accused of being an informer.

The first Polish film to discuss the failure of September 1939 Polish-German war, seen from the point of view of a university intellectual, fascinated by German culture, who decides to take active part in the conflict.