Syldavia Müstler wants to be anexione Borduria. To do this, you want the king wields the scepter of Ottokar IV during the parade the day of Saint Vladimir, it would mean losing the throne. Stealing the scepter, steal the monarchy and may annex. Tintin, accompanying a teacher, travels to Syldavia and discover the plot. Now he wants to tell the king and avoid annexation.