In episode 175 of Kuruluş Osman, Osman Bey besieges Akhisar Castle, using cannon fire to break its walls while Mongols attack Turkish villages. Sofia, determined to avenge her people, plans a trap against Osman using the arrival of a Mongol envoy. The envoy demands tribute; Osman refuses, provoking the envoy and leading to a clash. Despite the Mongol threat, Osman continues his siege, while Lucas and Sofia devise a counterplan. The episode explores the tension between the besiegers and defenders, the Mongol incursions, and Sofia's cunning strategy.
