Vilis Bergman

Shortly before the December uprising of 1825, officer Pavel Bestuzhev was exiled to a distant northern garrison for insolence. Soon, he gets a chance to help a wounded Decembrist who intends to cross the border. Bestuzhev saves the fugitive and his beloved at the cost of his own life…

A group of divers are trying to bring up the wrecked ship from the Black Sea bottom.

The series is about the operation code-named "Trest", which under the leadership of F.E.Dzerzhinsky was carried out by the VChK to identify and eliminate the counter-revolutionary and monarchist underground on the territory of the USSR, associated with foreign white-emigrant organizations.