Vsevolod Yakubovich

There is a seven-year war, Russian soldiers are forced to fight for the interests of France and Austria against Prussia. The midshipmen continue to selflessly serve the Motherland. One is on an expedition, the other is at court, and the third is sent to Venice to hand over a jewelry box. In fact, there is a message in the box, on which the future fate of Europe and Russia depends!

Semyon Gorbunkov está disfrutando de un crucero. En Estambul, se tropieza y se rompe el brazo. Lo que no sabe es que es una señal para una mafia contrabandista, que le vendará el brazo con diamantes y oro. A su vuelta a casa, los contrabandistas tratan de recuperar su botín mientras la policía los persigue utilizando de cebo el brazo de Gorbunkov...