By the year 1456, Mehmed the Conqueror (Bora Ayanoğlu) has decided to extend the borders of his empire to the east, at the lands of the Aq Qoyunlu. However, Sheikh Gaffar (Pasquale Basile), ruler of a heretic sect near Kharput defies the Sultan's rule and imprisons the ambassadors sent by him. Sultan Mehmed commissions Kara Murat to assassinate Gaffar.