Aleksandr Nezhdanov

The 1930s. Naval maneuvers are underway. On orders from the command, three submarines are to "attack" a battleship. In the heat of the "battle," a fourth periscope appears. Where did the fourth submarine come from? Is it one of ours or an enemy vessel? These questions must be answered immediately by the commander of the destroyer "Otvažny," otherwise...

About the life of the Russian biologist Ivan Michurin. 1912 year. Having rejected American offers to work abroad, Michurin continues his research in the Russian Empire, despite the fact that his ideas are not perceived by the tsarist government, the church and idealistic science. Michurin is supported by prominent scientists of the country and he continues to work hard. After the October Revolution, a small Michurin garden in the city of Kozlov (the biologist's homeland) becomes a large state nursery.

1935. A plan is hatched at a railway depot to sabotage a record-breaking high-speed run that a young locomotive engineer, Mitya Orlov, has volunteered to undertake. The saboteurs attempt to cause a catastrophe by directing the trains of Mitya and his father, Vasily Orlov, toward each other on a collision course.