Lichtmann questions Lena. He questions her about the Keiserstrasse bombing. She is threatened with being transported to Berlin. Lena and Janek pass each other in the corridor to Szucha Street. Lena tells Janek that Osmańska has cheated. Krawiec informs Bronek that Osmańska was once a prostitute. She had an affair with an English agent. After his death, she took over the contacts. Now she wants to sell V2 gun documentation, no matter which intelligence, it’s important that it is for the highest price. Janek is taken to the German archives, where he is to process the documents. Taking advantage of the opportunity, he kills the Germans surrounding him and runs away. Janek shows up at Ruda’s and meets Władek there. He says that the Germans want to take Lena to Berlin and that the suspicions against the Ottoman woman have come true. Michał searches Ottoman’s belongings. In a copy of Vermeer’s painting, he finds a microfilm with missing V2 documentation. He gives the microfilm found at Osmańska’s to Brodowicz. The commander orders the liquidation action. Michał decides to take part in it.