The Ciphers(2019)

The Ciphers is a Russian detective series set in 1956 Moscow, following four women bound by military service who reunite to work in a special GRU department. Eleven years after their wartime collaboration, Irina, Anna, Sophia, and Katerina leverage their exceptional analytical abilities to investigate complex criminal cases and national security threats. As they pursue dangerous leads, the women risk not only their own safety but also their families' well-being to protect ordinary citizens and their country. Adapted from the British series The Bletchley Circle, The Ciphers blends Cold War intrigue with procedural investigation, exploring how these skilled operatives navigate both professional danger and personal sacrifice in the shadowy world of Soviet intelligence.