The movie continues the story of the Elusive Avengers, a Posse comitatus (common law) of young Red Partisans, including Valerka, a former schoolboy, Yashka, a devil-may-care Romani people, and two orphan siblings, Danka and his sister Ksanka. They join the Red Army and fight Pyotr Nikolayevich Wrangel's White movement. They intercept an airplane that was carrying a letter to the Baron. The letter reveals that the map of fortifications in Crimea is in possession of the White counter-intelligence officer, Colonel Kudasov. This map is vital for the Red Army assault, and the Avengers are sent on a secret mission to steal the map.