Рёрёс„сђ 4 Сѓрµр·рѕрѕ 9, 10, 11, 12 Сѓрµсђрёсџ (2022) -

Due to the passing of actor Sergey Puskepalis, his character, Lieutenant Colonel Proskurin, is written out as having transferred to another city, though he remains a catalyst for the team's new official roles.

For the first time, Anna, Irina, Katerina, and Sonya work as an official analytical unit under the MIA, though they struggle with the bureaucracy and rules. Due to the passing of actor Sergey Puskepalis,

The stakes escalate as the team attempts to save a man named Maltsev, who is on the verge of suicide. Meanwhile, the police conduct a major raid at a waterfall as part of the ongoing case. Lieutenant Colonel Proskurin