(Historical drama, 321+x45 min.) The people of Anatolia were forced to live under the hazards caused by the presence of the Byzantine empire while suffering from a Mongolian invasion. The Kayı tribe remains in Söğüt in a continuous state of red alert. With the sickness of Ertuğrul Ghazi, a power struggle begins between his son Osman, who is heroic and brave; his brother Dündar; and Gündüz, who is good at statesmanship. Dündar is the most successful man in the field of politics, ready to defeat whoever is against him on this path to power. Aygül is responsible for the women’s administration in the Kayı tribe. Since she was a child, she has been in love with Osman and wishes to marry him. The brave and beautiful Bala Hanım, the daughter of Şeyh Edebali, is after some truths to protect her people. As they both prioritize their people’s future, Bala Hanım’s and Osman’s paths have crossed. They fall in love at first sight. Osman will fight for the sake of the Kayı tribe’s future and to rejoin Bala Hanım by overcoming the obstacles they face.