A military secret. In the days of the war. Sheinin L.R.

During the Great Patriotic War, the fascist intelligence agent receives the task to capture and deliver to Germany engineer Leontyev, who developed a super -powerful secret weapon, but the investigator of Lartsev reveals the threads woven by German intelligence, and violates the plans of Sirius operation. In 1944, the film "Stug" was shot on the first part of the novel. The prototype of the protagonist of the novel by engineer Leontyev is a Soviet designer of installations for missile weapons, including And the famous Katyusha ”, Ivan Gva.