End of August 1939. The Polish-German border is crossed by a German defector from the Wehrmacht, Ernst Hoffman, with the information that on August 26 at 4:45 Germany will attack Poland.
Captain Roman Markowski is a sailor. One day, after returning from the sea, his ex-wife calls him. It turns out that their son has disappeared. It also turns out that the boy got to the Maritime School. The captain's life gets complicated when his son suffers a serious accident.
The former head of the Institute of Science - Professor Molnar, returns to the Institute to seek treatment for his heart condition. The new director of the Institute, and his former assistant, Dr. Egberg had a falling out with Molnar after the latter considered his research unethical. However, after waking up from surgery, Molnar makes a horrifying discovery; Egberg has swapped their brains!
1929: The little girl Józia has to go a few days without her mother, who is traveling abroad for political reasons. Another story is told to the neighbors after Józia visits her relatives in the country. But 10 days can be an eternity for a small child.
There has been a secret relationship between the nephew of the ordinate - Jan, and his older cousin Xymena. However, Jan falls in love with the foster daughter of the ordinate, the young Krystyna. The ordinate does not consent to marriage, because Krystyna is his illegitimate daughter, and thus Jan's cousin. But it turns out that Jan is not the son of the general's brother ...