The professor decides to pay the ransom for the violin. Olya has a new problem — Tomek's mother wants to befriend her. Swieta begins a new chapter.

Denis has to reveal where he hid the professor's violin. The information is extracted with the full cooperation of both criminals and law enforcement.

Polina returns to Warsaw with her prized "Polish Card." A surprise awaits her at the station. The Ukrainian nurses wake up after a night at Piotr's.