Osman Bey swears to drive Geyhatu out of Bithynia. After reckoning with Gündüz Bey, Osman Bey, who wants to prevent Geyhatu from leading the giant Mongolian army and bleeding the region, swears to drive Geyhatu out of Bithynia. What will be Osman Bey’s first step for this? Geyhatu, on the other hand, is processing his own game for his ultimate goal. But he is unaware of the plans of Vizier Alemşah, whom he thought was his ally. What will be the consequences of Vizier Alemşah’s betrayal of Geyhatu? Tekfur Nikola, who agreed to act with Osman Bey in the struggle for existence in the region, read what he knew and captured Tekfur Rogatus, who was fighting with Osman Bey, and followed Tekfur Kosses. Nikola’s move that will surprise everyone will change all the balances. What will Nikola’s actions cause in Bithynia?