In modern Istanbul, a historian is found brutally murdered, his death staged to resemble the assassination of Sultan Mehmed the Conqueror. Inspector Nevzat and his team are thrust into a perilous investigation that uncovers a secret society obsessed with rewriting history. As they navigate the city's ancient streets and dark secrets, they find themselves entangled in a dangerous conspiracy that blurs the lines between past and present, challenging the very foundations of the Turkish Republic. This gripping historical mystery by Ahmet Ümit explores the deep-seated conflicts between Ottoman legacy and contemporary identity.