Bronislav Moreno

The movie takes place during Russia's civil war between the Reds (Bolsheviks) and the Whites (Mensheviks). Andrejka and Yarinka are a young betrothed couple in the village of Malinovka, caught between the battle lines. Gritsian is the leader of a Menshevik band who are planning to attack the village. Yarinka appeals to the local Bolshevik commander for his faction's help. The Bolsheviks quickly come up with a plan to save the village... but the plan requires Yarinka to enter into a pretend marriage with Gritsian.

People living at a seashore town are frightened by reports of an unknown creature called "the sea devil". Nobody knows what it is, but it's really the son of doctor Salvator. The doctor performed surgery on his son and now young Ichtiander can live under water. This gives him certain advantages, but also creates a lot of problems.