Lviv on the eve of the outbreak of World War II. The tension of the approaching annihilation spreads through the inhabitants. A child, Henio Pytka, is murdered at the back of the Jewish pharmacy. Anti-Semitic sentiments are emerging in the city. After the trauma of the previous case and the threat to his family, Popielski wants to leave the police. After Kocowski's persuasion and a guarantee of safety for the family, he agrees to lead the case again. Together with Moshe Kiachales, the Jewish king of the underground, they try to find the killer who is always one step ahead of them.

Popielski, tormented by remorse after the murder of Małecki, goes to a mass for little Henio Pytka. Unfortunately, a second victim appears. The murderer writes a telegram to Popielski, inviting him to play. Popielski suspects that his son Jerzyk may be the victim. There is a confrontation with the murderer, Edward recognizes his face and calls him Herod.

Herod is not idle, he kidnaps Popielski's son. The situation is getting out of control. You failed, Lodzia did not take care of Jerzyk, Popielski swears revenge on Herod and the whole world. Herod meets Popielski at a closed swimming pool, in his mouth he hid an ampoule with the address of Jerzyk's detention. Popielski kills Herod, but the ampoule is empty. Someone taunted him.