The Cossacks of Zaporizhzhia, captured by the Turks, dream of escaping from captivity. Rumors of this reach the sultan. He disguises himself and quietly enters the Cossack settlement, where he is met by Ivan Karas. The sultan invites Ivan to the palace. Ivan agrees and, having entered the palace, looks closely at everything and notices everything. Thanks to his observation and dexterity, the Cossacks finally break free.