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

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.

Hitar Petar escapes every hard time the life gives him by using his quick mind.

Bulgaria is on the eve of World War I. King Ferdinand survives an attempt on his life thanks of high-school teacher Irina Radionova. The monarch is generous in his gratitude. He assures the teacher that he will not permit Bulgaria's involvement in a war. Back in the village where she lives, Radionova learns that war has just been declared. Her son Boyan has to leave for the front. Irina becomes a ...