The film tells the story of Yavuz Sultan Selim, who went on a campaign to the East after ascending the throne. Grand Vizier Ali Pasha wants Prince Ahmet to succeed Sultan Bayezid II. Prince Selim, who objects to this situation, sets off for Istanbul. With the support of the Janissaries and those in the palace, he ascends the throne. He has the other princes who covet the throne killed and turns his attention to Shah Ismail, who is causing trouble in the east of the country. Selim sends his men ahead to gather information and begins preparations for his campaign against Iran.

The Turkish Sultan decides to send his armies in war against the remnant of the Roman Empire, Byzantine. All of his advisory council assent to the move with the exception of one aged councilor, who allies himself with the Byzantines, who kidnap the fiancée of the Turkis army leader. The Sultan orders the army leader, along with two others, to proceed to Byzantine for espionage purposes. There, they contact a couple sympathetic to the Turkish cause and, with their home as the base, gather information about the city's defenses. The Byzantines capture the couple and two of the Turks, leaving only the army leader to escape with the vital information. The Turks use it to make an easy conquest, ending the Roman empire, and creating the Ottoman empire.