About the plight of Soviet orphanage children that during the war the Nazis were taken to Germany diversantskoy for training activities in the territory of the USSR. In 1943 Gemfurte near Kassel (Germany) School for Soviet teenagers was created using Abverkomande-203, which were taken from the children's homes of Smolensk and Orsha. About this school, there are real documents, alive and witnesses of those events.

Four partisans are tasked with blowing up a bridge that has no strategic significance. The order is unclear, but without questioning their superiors, the heroes set off, not yet knowing what they will have to endure. Based on the novel of the same name by Vasily Bykov.