The 4th season of the popular detective series (The Cipher) was released in 2024. Episodes 9, 10, 11, and 12 comprise a significant arc of this season, featuring the four protagonists—former military intelligence specialists—working within a newly formed official analytical department of the Ministry of Internal Affairs. Episode Summaries (9–12)
In Russia, these episodes premiered on digital platforms like Wink in June/July 2024 and later aired on Channel One (Pervy Kanal) in October 2024.
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.