The 21st season of the Russian detective series premiered on December 13, 2021, on the Russia-1 channel. This season consists of 24 episodes (divided into 12 two-part "films") and continues to follow the professional and personal life of Lieutenant Colonel of Justice Maria Shevtsova. Key Plot Developments
(По ту сторону льда)
The murder of a woman named Tregubova is linked to an earlier crime involving a former burglar. The 21st season of the Russian detective series