Petr Kovac Dead Or Alive: In Episode 5, we see that when we see that Petr Kovac kills her security officers, who are also involved in all this, he also wants to help her, as Petr may kill her daughter for his mission.
After we see, Petr enters the home and takes the key from her, which she gives him, otherwise, Petr may kill his daughter.
Who killed Petr Kovac?
We see that for the Sokol project to be completed, he wants some uranium so that the missile they create will work successfully, but we find that Greer already knows that her father is involved, and we also see Later, Alena also finds out the truth about her father.
We see Luka go to meet Petr for the uranium transfer, where we see Petr try to shoot him but instead gets shot. After that, we see his daughter reach him where he is alive, but she leaves him to die. We confirm that he has died.
After that, the mission may slow down as their main leader is dead, but we still see Alexei having to complete this project.