1914-1939. On the eve of World War I, twins are born to the Winny family: Ania and Mania, Stanisław's daughters. Their mother dies in childbirth. In the difficult times of the war and the interwar period, Stanisław raises them with the help of his mother Bronisława. Both sisters fall in love with the same boy, Paweł.

1939-1952. World War II breaks out. Mania and Paweł become parents of twins: Kasia and Basia. Soon, Paweł has to flee the country from the death penalty for insurgent activity. Mania, convinced that her husband is dead, marries Ryszard after many years. Ania leaves Kazimierz and becomes involved with Michał. When the Warsaw Upri...

1956-1976. The Winny family faces the communist reality. Ania and Mania, now middle-aged women, support their old father Stanisław and his new wife, Andzia. After leaving prison, Michał falls into alcoholism and tries to commit suicide. Thanks to the support of his wife and son, he manages to recover. Ewa and Basia fall in love ...

1976-1989. The last years of communism. They are strikes in the country, in which the younger generation of the family participate. Ania and Mania need each other very much after their children started their own separate lifes. It is even more sad for Mania since her husband goes to prison and then leaves for Sweden to protect t...