Osman Bey besieges Akhisar Castle, confronting both the Mongols, who devastate Turkish tribes after he refuses their tax demands, and Sofia, who seeks revenge with Lucas's support. As massacres unfold, Osman Bey remains focused on his conquest despite mounting threats. Poena supplies Sofia with vital camp information, complicating Osman’s plans further. Amid escalating tensions, Bala Hatun addresses the Mongol envoy, while Osman devises strategies to prevent massacres, outmaneuver Sofia’s traps, and achieve victory—all relying on his leadership and tactical brilliance.