Yanush Alurkov

A small circus troupe wants to perform for the children in a small Eastern European town, but is prevented from doing so by the evil town boss. The circus' clown and his colleagues come up with a plan to defeat the boss and his men and put on a show for the kids.

The Soviet army is approaching the Bulgarian border. Many government ministers and army officers prepare to flee the country. The partisans take over the key administrative buildings. At the War Ministry, the commander of the armored brigade Major Essev hesitates between his sense of honor as an officer and his patriotic duty. He takes the side of the partisans.

The action takes place in a summer camp. The children are obsessed with the idea of building a ship.