Episode 4

S1, E4: Vadim goes on a business trip. Olya visits her native town and visit her grandmother's grave. Ksenia tricks Olya into her father's apartment. Before Olya's arrival, she gives her father a brandy with poison. When Olya arrives, she sees Golitsyn dying and calls an ambulance. He manages to be saved, but Olya has become suspect. Vadim calls a detective to help Olya out of the detention center.