A pirate shipsails across the high seas, captained by Conrad and his faithful pirate crew as they navigate towards the Ottoman Empire. They are on a mission to rescue Medora, Conrad’s love, from the hands of the slave trader Lankendem. Conrad and the other pirates enter the bazaar where Lankendem is selling his slave girls. Conrad is looking for Medora and sees her peering from a balcony. She throws him a rose as proof of her love.
The Pasha arrives and Lankendem presents three young women he wants to sell to him. When all are rejected, he presents the young slave girl Gulnare and the Pasha buys her immediately. Medora is freed by Ali, Conrad’s slave and tries to escape but is prevented by the Pasha, who faints at the sight of her beauty and insists she must dance for him - , unable to resist such beauty, he buys her as well. Conrad instructs Ali to steal Medora from the Pasha, and also kidnaps Lankendem.
Conrad shows his hideout to Medora, and promises her all his treasures and possessions. Birbanto, his lieutenant objects and tells Conrad that the riches are not his to give.
Conrad summons the pirates to bring their stolen bounty into the cave including the slave girls and the kidnapped Lankendem. Medora pleads with Conrad to free all the slave girls. Conrad agrees but Birbanto rebels and persuades the pirates to mutiny, but Conrad quells them.
Birbanto devises another plan. Spraying a rose with a sleeping potion he forces Lankendem to help him give the flower to Medora, who unaware of the poison, hands the rose to Conrad. He smells the flower and falls into a drugged sleep. The pirates return to the cave, see Conrad unconscious and decide to kidnap Medora. In the struggle she cuts Birbanto’s arm. Lankendem steals Medora back and escapes. Birbanto is about to kill the comatose Conrad when Ali interrupts him. Conrad awakes to discover his beloved Medora is missing once again, the evil Birbanto feigns ignorance and swears his loyalty to Conrad.
Gulnare is entertaining the Pasha by dancing and teasing the Vizier, but they are interrupted by Lankendem bringing back Medora. The Pasha is delighted Medora has been recaptured and declares he will make her his most treasured wife. Conrad, Birbanto and the pirates arrive disguised as merchants. Conrad and Birbanto distract the Pasha as the pirates kill his guards. They reveal their true identities and chaos erupts within the palace. Birbanto chases Gulnare and they collide with Conrad and Medora. Medora exposes Birbanto as a traitor and Conrad shoots him. Ali helps Medora, Gulnare and Conrad escape and they flee to the ship chased by Lankendem. They set sail but suddenly a fierce storm breaks and the ship sinks. Ali and Gulnare are drowned. Conrad and Medora, having survived the shipwreck, desperately cling onto a rock. Conrad pulls out the symbolic rose that Medora gave him when they first met and hands it to her declaring his undying love. As she takes the flower into her hands Conrad collapses and dies.