Wolf's Sun
Episode 2
S1 E2:
In 1924 Mikhail Ostanin, a young officer in the Cheka, receives crucial information that the invasion by the White Russian emigrant troops of the USSR will take place in the next two months. The leaders of the OGPU assign Ostanin an impossible mission: to prevent the invasion by becoming a confidante of General Romovsky, commander of the operation. Russian series with English subtitles.