An actress travels from Warsaw to Paris and during the trip reflects on the last few years of her life. It goes back to the German occupation and her hiding of a fellow actor who has supposedly killed a collaborator.

Teresa is an attractive 30-year-old doctor. She divides her stable life between work, caring for her younger sister Ania, a high school student, and her romance with Jan, a well-off lawyer who wants to marry her. However, Teresa postpones her decision to marry until Ania becomes independent. One day, she unexpectedly meets Tomek, a young photographer, who soon confesses his love to her, making her question her loyalty to Jan.

A subjective adaptation of a well-known autobiographical novel by Zbigniew Unilowski (screenplay by Wojciech Jerzy Has with dialogues by Stanislaw Dygat). The adventures of the tenants of a sublet room in a Warsaw townhouse inhabited mostly by students and novice writers, presented against the social context of the 1930s.