The women dive deeper into an investigation surrounding a high-profile case involving local elite or mysterious homicides that put their specialized pattern-recognition and cipher skills to the ultimate test.

follows four women (Irina, Anna, Sofya, and Katerina) who worked as specialized codebreakers in the GRU during World War II. In the 1950s, they reunite to use their brilliant analytical skills to help local police solve the most complex criminal cases. 🎬 Season 4, Episode 4 Overview

Season 4 features the lead characters becoming part of a newly created official analytical department at the Ministry of Internal Affairs (MVD). Episode 4 Breakdown (Film №2):