Nayman seeks an alliance with the Tekfur of Bursa against Osman Bey, causing Osman to confront the Tekfur directly. Ismihan Sultan collaborates with Nayman, planning to eliminate Osman Bey from within. Meanwhile, Osman assigns Cerkutay to counter Nayman's power. The situation intensifies as Osman realizes Nayman's target is Yenişehir.

Malhun Hatun is imprisoned for attempting to kill Ismihan Sultan. Osman Bey is determined to rescue her and refuses to leave her behind. Bala Hatun tries to persuade Bengi Hatun to testify truthfully, but it puts Alçiçek's life in danger. Lord Valens is aware of Osman Bey's plan to crown Sultan Mesud, and Ismihan Sultan plots a trap for him. Osman Bey finds himself in a difficult situation, cornered by these circumstances.

Despite being taken to death row, Osman Bey remains hopeful. Meanwhile, Bala Hatun receives Esrigün, the commander of Gazan Han, and his adopted daughter. On the other hand, Malhun Hatun departs to assist the Kargın tribe.

As Osman Bey continues to pursue his goal of establishing a state, he finds himself facing formidable adversaries. He not only grapples with enemies disguised as friends within his own ranks but also engages in a battle against the Byzantine Empire on the outside. Osman Bey has set his sights on a specific objective: the conquest of the Marmara Fortress, a crucial step towards gaining control over Bursa and Iznik, and further advancing his ambitions.

Osman Bey and his warriors are trapped by Tekfur Valens, but Bala Hatun arrives to support them. Nayman ambushes Malhun Hatun and Fatma's life is endangered. Tekfur Valens discovers Osman Bey's camp, setting the stage for a fierce confrontation. Osman Bey's united followers are prepared to fight by his side.

Nayman's determination to harm Osman Bey leads to a fierce battle, but Osman Bey captures him. Tekfur Valens shifts his focus to destroy Osman Bey with a formidable army, planning an unforeseen scheme.