Рёрёс„сђ 4 Сѓрµр·рѕрѕ 7 Сѓрµсђрёсџ 2022 -

This season focuses on how the women adapt following the departure of Lieutenant Colonel Proskuira (played by the late Sergei Puskepalis).

She struggles with a secret pregnancy by Letnev, which she hides from her peers. This season focuses on how the women adapt

Sonya infiltrates Shefner’s apartment looking for a connection to the victim. She discovers missing military books from Volynin's home and a note in Shefner’s diary confirming a meeting with him on the day he died. This season focuses on how the women adapt

The season follows the series' established structure, where every four episodes typically cover one major criminal case. Шифр (телесериал) - Википедия This season focuses on how the women adapt