Irena is arrested. Her stay there is a shock, and her fellow prisoners seem hostile. Karolina, convinced of her mother's innocence, starts her own investigation. Meanwhile, Jagoda gives Karolina and Michał another clue in the case murders in the den. Karolina follows her father's recent affairs and makes a surprising discovery in her parents' house.

• Wiktor Piątkowski
• Katarzyna Bonda
• Kristoffer Rus

• Kinga Jasik
• Kamila Urzędowska
• Maja Pankiewicz