Russian ballet version of Shakespeare's tragedy about star crossed lovers from two feuding Italian Renaissance families. The film was based on the 1940 production of Prokofiev's ballet, choreographed by Leonid Lavrovsky. It won the Best Lyrical Film at the 1955 Cannes Film Festival, was nominated as the Palme d'Or.

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.