Grigoriy Voloshin

1942, the German Wehrmacht is trying to capture the Baku oilfields at the Black sea. Their biggest obstacle are the Caucasian Mountains and few Russians soldiers to stop them. The story revolves around an important Mountain Pass, that is heavily contested by both sides.

At the end of 1943, during the occupation in Odessa, a new specialist Kraft arrives at the shipyard and soon becomes a chief engineer. It never occurred to anyone that a Soviet intelligence officer was hiding under the guise of a leader showing official zeal. At the decisive moment, when the victorious offensive of the Soviet troops forces the German-Romanian invaders to leave Odessa, on the instructions of the Center, Kraft leaves with them for further work behind enemy lines.

A Soviet three-part television miniseries directed by Vasily Levin loosely based on the novels Twenty Thousand Leagues Under the Sea.