The film is based on authentic events that took place in 1957 in Kursk. Fifteen years after the war, the sappers will have to clear away the ammunition depot left by the German's. The town rebuilt with such difficulty is under threat of explosion...

The Second World War is over. The post-war Germany is divided into several responsibility zones. Still many Russian people languish in camps located in the American zone. Though former allies are in no hurry to let them off to the motherland, and even try to enroll some of them. The American intelligence agency gets to know that they've got a daughter of one of the West Germany cities commandant, whose brother is a famous soviet rocket engineering designer. They plan a crafty operation on the discrimination of the Russian colonel and introduction of the niece into the uncles design office. The Russian Intelligence service is also aware of the Americans interest in the designers works. The special department colonel Lartsev is coming from Moscow to Germany to prepare a reciprocal operation.

The prototype of the hero of the film - Soviet Ukrainian writer Yaroslav Galan, who devoted the last years of his life to exposing the Greek Catholic Church and the Ukrainian nationalists.

Spring, 1943. A military train is heading from a city, just liberated from the fascists. A special carriage with divisional printing-works is hitched to the train. Manager of the printing-works and correspondent expects he will travel alone, and even makes a prudent sign on the door - mines. But gradually the carriage starts to get filled with uninvited fellow travelers. The first were an injured soldier with a girl, then - a pregnant woman with escort, two communist party members, an actress, aunt Pasha, and others. The correspondent has nothing but to put up with it, because he cant turn out people, who suffer from the war, each in his/her own way.