By skyforbes 
The movie is about the first Göktürk khaganate that spanned across Central Asia around 500 AD
The Prologue is the first act of the four-hour film "İlk Göktürk" which spans many years. The prologue to the epic founding of the Göktürk Khaganate, where Turkish independence was unconditionally declared and the state was given the name "Türk," setting a precedent in history. "İlk Göktürk: The Prologue" will present the dark, bloody, and heroic story of the brothers Bumin and Istemi, from the Ashina tribe of the Turks.