At the height of the Nazi extermination campaign in the Warsaw Ghetto, a young Jewish woman, Irena, seeks the protection of her former lover, a young architect, Jan Malecki. By taking her in, he puts his own life and the safety of his family at risk. Over a four-day period, Tuesday through Friday of Holy Week 1943, as Irena becomes increasingly traumatized by her situation, Malecki questions his decision to shelter Irena in the apartment where Malecki, his pregnant wife, and his younger brother...