A retired police captain, Siwy, tells a reporter about his latest action, carrying on his own investigation into the mysterious death of a Eve Salm, a.k.a. Princess. She was a witness in a case where the defendant pled guilty and was sentenced to eight years in prison. Siwy doubts the defendant's guilt and risks his life to apprehend the real killer.
Professionally active, childless, married woman loses her father during a business trip. With an overwhelming sense of transience and the fear of death, she doubts her attachment to her husband. It turns out that in marriage, too, he only plays his part, with greater or lesser conviction.
WWII. Zyga, one of the Resistance soldiers in Kraków (Poland), is arrested by Gestapo. Soon later with new arrestings comes out that Germans must have received some new informations. Zyga is suspected to become an informator.