Niedziela pewnego małżeństwa w mieście przemysłowym średniej wielkości

The film centers on the Milewskis, a middle-aged couple played by Elżbieta Kępińska and Witold Pyrkosz. Both are immersed in their managerial careers, prioritizing work over family life, which leads to a gradual erosion of their initial bond. Although they are aware of their infidelities, the dynamics shift dramatically with the arrival of Witold's younger brother, Franek, introducing new tensions and complications.

As a drama, the film delves into themes of marital discord and the impact of personal choices on relationships. The setting of an industrial city adds to the backdrop of their lives, highlighting the societal expectations and pressures faced by the characters. With a strong cast including Helena Dąbrowska and Barbara Sołtysik, this TV movie provides a thoughtful exploration of modern relationships in a changing world.