Subscribe karne ke liye The people of Anatolia was forced to live under the circumstances of the danger caused by the presence of Byzantine empire while suffering from Mongolian invasion. Kayı tribe is a frontiersman that remains its' presence at Söğüt. Because of where the tribe is located to face the Byzantine danger, they are in a continuous state of red alert. Giving the conditions and the sickness of Ertuğrul Ghazi, there occured a power vacuum. The power struggle caused by this war of principality is between Osman who is heroic and brave is the youngest child of Ertuğrul Ghazi and the uncle of Osman; Dündar and Gündüz who is good at statesmanship. Osman will fight internally and externally, both for the sake of Kayı tribe's future and for to rejoin with Bala Hanım by overcoming the obstacles they faced.