Dupond et Dupont
Upon arrival, Tintin and the detectives are framed and arrested by the authorities under various charges. Thomson and Thompson are cleared and released, but Tintin is kidnapped by the Arab insurgent Bab El Ehr, who mistakenly believes that Tintin has information for him concerning an arms delivery. Tintin escapes and encounters an old enemy, Dr. Müller, sabotaging an oil pipeline. He reunites with Thomson and Thompson during a sandstorm and eventually arrives in Khemed's capital city of Wadesdah. When Tintin narrates the sabotage orchestrated by Müller to the Emir Mohammed Ben Kalish Ezab, one of the Emir's attendants, Ali Ben Mahmud, informs the Emir that his son Prince Abdullah is missing. Suspecting that Müller has kidnapped Abdullah, Tintin sets out to rescue the prince.