The story revolves around Kurt Bey's journey to defend the Ottoman Empire and rescue his brother. Malkoçoğlu Ali Bey is killed in battle. He leaves the plans for the location of Don Castillani's treasure, divided into two necklaces, to his twin sons, Doğan Bey and Kurt Bey. However, Prince Murat, who opposes the sultan, and his man Mahmut Bey, join forces with Duke D'Alvarez and kidnap Doğan Bey. Doğan Bey, who was kidnapped at a young age, grows up unaware of his father, as the son of D'Alvarez. Kurt Bey, upon reaching adulthood, goes to fight against the Black Knight, who is oppressing Prince Murat and the villagers in the Balkans, under the orders of Sultan Süleyman Han. During this time, he will both encounter his brother and infiltrate the ranks of his enemies.