Osman Bey, now leading a state, aims to unify the Turks under his banner, and influence border principalities. Bayhan Bey and his rival Begüm Hatun attend Osman Bey's wedding, possibly revealing intentions towards his daughter, Fatma Hatun. The arrival of the Caliph's vizier Emir Ömer stirs tension, his purpose unknown to Osman. Emir Ömer secretly informs Karesi Bey of the theft of sacred relics, prompting Karesi to seek them out and offer allegiance to Osman Bey. As Osman expands his territory, Byzantine hopes rest on Commander Lucas, who holds the sacred relics and plots against the Turks. Lucas tries to recruit Holofira, impacting her and Orhan Bey’s paths. Alaeddin Bey is imprisoned in a castle as Osman continues his conquests, facing Lucas's schemes.

Despite numerous challenges, Karadin Castle becomes Kayı property. Alaeddin Bey is exposed to danger during the conquest. Commander Lucas devises a plan to find and exploit the weaknesses of Osman Bey and Karesi Bey, aiming to set them against each other. Lucas, holding sacred relics, plans to use them as leverage. Osman Bey's tribe is alarmed when the relics are stolen, and he confronts Lucas. The fight for Karadin Castle ensues with Begüm Hatun and Bayhan Bey vying for control, while Bala Hatun remains disinterested. Holofira, under Lucas's orders, arrives uninvited at the celebration, rekindling her love with Orhan Bey, who proposes marriage. Saruca and Yusuf compete for Fatma Hatun's affection. During Gonca Hatun's difficult childbirth, Begüm and Hazal Hatun clash, with Begüm accusing Hazal of poisoning her.

Osman Bey's pledge to protect the sacred Islamic relics elates the Kayı tribe but fuels Karesi Bey's jealousy. To thwart Osman, Lucas sets a trap in Karadin, complicating Begüm Hatun's situation. After her setback, Begüm plots to undermine Bala Hatun. Meanwhile, it's revealed that Cecilia poisoned Gonca Hatun, straining her relationship with Holofira. Orhan Bey devises a plan to kidnap Holofira from her arranged marriage, but they encounter a trap. Lucas and Karesi plan to financially damage Osman by building a bridge. Osman discovers Karesi's deceit. The unfolding drama sees Gonca's feelings towards Holofira change, and the possibility of Orhan and Holofira's reunion.

Osman Bey's escape angers Lucas and Karesi Bey, who plan a new move against him. During a wedding in Kayı Oba, Lucas incites a Greek rebellion in Söğüt, shocking everyone. Lucas also pressures Karadin Castle, putting Osman Bey in a tight spot as he deals with both threats. Osman Bey escapes a trap, while Orhan Bey and Holofira face danger from Lucas' men. With no obstacles left, Osman Bey plans a grand wedding for Orhan and Holofira. Tensions rise between Gonca Hatun and Holofira due to lingering pain. Begüm and Hazal Hatun notice the strain and may exploit it. Gonca Hatun considers leaving Kayı Oba with Alaeddin Bey. Yusuf and Saruca vie for Fatma Hatun's affection, leading to a showdown between them.

Osman Bey learns that Karesi Bey thwarted Lucas's attempt to capture Karadin, and in gratitude, he gifts Karadin Castle to Karesi Bey. While they haven't formed an alliance, they decide to trade, but Karesi Bey might have a hidden agenda.

The Greek Rebellion in Söğüt intensifies, and Osman Bey is determined to restore peace. He plans to destroy the rebellion’s instigators and catch their leader, Arcadeus, by surprise.

Sofia, Osman Bey’s longtime enemy, returns and teams up with Lucas, swearing revenge. She severely injures Baysungur, who reaches Osman Bey covered in blood. Osman Bey is now focused on avenging Baysungur.

In the Kayı Obası, tension persists between Gonca Hatun and Holofira, with Hazal and Begüm Hatun taking sides. Bala Hatun must address this issue, and her warnings to her daughters-in-law will have significant effects. The tension between Begüm and Bala Hatun also escalates, causing further strife.

Osman Bey plans to strike a significant blow to Byzantium and Karesi Bey by conquering Akhisar. Meanwhile, Karesi Bey declares martial law in Karadin, aiming to solidify his control. As Osman Bey focuses on his conquest, Bala Hatun takes charge of maintaining internal peace, aware of the tension between Gonca and Holofira. Begüm Hatun seeks to intensify this discord.

Sofia, determined to cause chaos, kidnaps Fatma. The abduction of Fatma, Saruca, and Yusuf shocks Söğüt Pazar. Bala Hatun, upon hearing the news, immediately pursues them to bring Fatma back.

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