The Parthians are a warlike people who lived in ancient times on the territory of today's Turkmenistan. However, our acquaintance will not be with them, but with their distant descendant, the guy Murad, who begins service in the Soviet Army and cannot get used to the strict routine of army everyday life. But, as befits a comedy, the hero finally turns from a klutz into an exemplary warrior and, moreover, conquers the heart of the Lithuanian girl Justina.