The film tells the story of the struggle between Barbaros Hayrettin Pasha and Count Vespasiano. Barbaros Hayrettin Pasha and his fleet engage in battle off the coast of Fondi Castle. They capture Count Reinaldi and his niece, Countess Julia, from the defeated fleet to obtain ransom. Barbaros Hayrettin demands the ransom from Julia's fiancé, Count Vespasyo of Fondi Castle. Julia, who does not want to marry Vespasyo, asks Barbaros to help her. However, Barbaros remains indifferent to this request. In response, Vespasio attacks the island of Midilli, where Barbaros resides, and takes many people captive. A major battle erupts between Vespasio and Barbaros. Countess Julia will await her next encounter with Barbaros.