Aya Nikola is sent by the Byzantine Emperor, Andronikos II to become the new Tekfur of İnegöl followed by Ertuğrul's return in the tribe. Meanwhile, Yavlak Arslan, the new Uç Bey, seeks to create his own state and sees Osman as an obstacle, later on they unite against the new threat created by the new Ilkhan of the Ilkhanate, who allies with Nikola against the Turks of Anatolia...