Season 2

Tekfur Alexis of İnegöl seeks revenge on the Kayı tribe for conquering Kulucahisar. He invades a caravan of the Kayı tribe, Osman, takes his revenge by defeating him in a battle. After the battle, the Emperor, concerned…

Nikola arrives in the nomad camp and claims he wants peace while Osman thinks he is about to meet his father but falls into an ambush set by Yavlak Arslan, Hazal Hatun's brother. Meanwhile, Osman's elder brother, Savcı,…

Arslan tasks Cerkutay, who is alive, to go to Geyhatu, who already hates him because of him being loyal to Balgay, and tell him that Osman captured Möngke. Geyhatu, who is in Konya planning to kill his brother, Argun, i…

The relations between Savcı and Osman become tenser, Osman is angered when Ertuğrul sends Savcı to explain to Geyhatu that Osman didn't kidnap Möngke. When Savcı arrives at Geyhatu's camp, he is given only a few days to…

The time period given by Geyhatu ends and Geyhatu arrives in Osman's tribe. Osman saves Savcı and he returns to the tribe with the captured Möngke. Ertuğrul continues to stay on his death bed.

Möngke's treachery is proven after he is forced to reveal the truth, however, he doesn't manage to say the truth about Arslan thus Arslan survives and Möngke is killed by Geyhatu. In the meantime, Aya Nikola and Flatyos…

Osman is alerted that a distant Cuman Turk tribe has been invaded by the Emperor and the Bey's daughter, Targun, is being taken captive. Osman rescues Targun and takes her to the tribe. However, Targun is betraying Osma…

After Nikola is stabbed by Osman, Flatyos attempts to take revenge on Osman with a gunpowder plot on Söğüt. Osman however, is aware of the attack and Flatyos' plans backfire. Flatyos is captured and is taken to Kulucahi…

Targun goes to meet her father at Kulucahisar but is spotted, when she returns, Osman captures her and she is forced to tell the truth. Osman vows to help her save her father and also decides to marry her after Bala say…

Osman reconquers Kulucahisar, although İnal Bey is taken by Nikola's knights to İnegöl. Bala and Targun's relations tensen a little and Dündar's evil plans are also revealed, he seeks to become the Bey of the tribe.

The tensions escalate further upon the death of Argun, who was killed by Geyhatu, and Geyhatu's visit to Tabriz in order to become the Han of the İlhanlı (transl. Ilkhanate). Nikola vows to ally with the powerful Geyhat…

Targun and Osman make a plan to kill Nikola and rescue İnal Bey in which they succeed in rescuing İnal but fail to kill Nikola and only injure him. Ertuğrul dies just before he could announce that Osman is the new Bey.

The tribe elections are held to decide the new Bey. Dündar comes face-to-face with Osman however, Osman is elected as the new Bey much to Dündar's despair and anger. Meanwhile, a new threat against the Kayı tribe emerge…

After a series of events including Bala being poisoned by Targun, Targun and Göktug are exiled, which is part of Osman's plans. Dündar has a meeting with Nikola which Osman is aware of resulting his beating when he retu…

Dündar and the Kayı make a trade deal with Tüccar Melik and Süleyman (Simon and Petrus), Ertuğrul comes in Osman's dream reminding him of his will for his second marriage and Nikola is made the "Tekfur of Tekfurs" while…

Bala seeks to marry Aksu Hatun to Osman as per Ertuğrul's will, although Aksu is Hazal's adoptive daughter and unknowingly ends up working in her devious schemes. The Kayı flag is also changed by Osman along with Bayhoc…

Going against his loved ones' advice, after Savcı is tricked and wounded by Flatyos, Osman agrees to surrender Kulucahisar in exchange for Bayhoca. However, he makes a plan and re-conquers the castle immediately after s…

As the allied enemies, Nikola, Targun and Petrus continue to stir traps for Osman, Targun ambushes Bala while İdris leads Bamsı into a trap set by Aya Nikola in order to seize the scrolls with Osman's plans for Anatolia…

Göktuğ helps Bala defeat Targun in a trap, with Bala eventually killing her. Meanwhile, Osman is saved from Nikola's ambush by Malhun Hatun, a woman requesting Osman for some land for her tribe of 1000. As Malhun settle…

Osman goes after İdris' killer, but Dündar is saved by Petrus. Meanwhile, Göktuğ learns that Nikola is travelling to Constantinople, and sends word to Osman. Dündar later allies with Petrus and reveals Osman's intention…

Osman and his alps are forced to retreat from the battle, whilst Bayhoca later dies from his wounds. Flatyos is soon captured by Osman, and is taken to the Kayı tribe in order to make him reveal the traitor in the tribe…

Togay, revealed to be Baycu Noyan's son, attacks a meeting of Turkmen Beys chaired by Osman in Söğüt, wounding Ömer Bey. Seeking to sow discord amongst the Turks, Togay frames the Dodurga Bey İvaz Bey for the attack, al…

Osman captures Suci, one of Togay's henchmen. However, Suci is also Cerkutay's blood brother and friend, compelling Cerkutay to save his friend, leading to the tribe believing that Cerkutay is a traitor. Cerkutay, actua…

Osman decides to use Tekfur Aris as bait to trap Nikola. However, Togay kills Aris on the way, providing Nikola with an excuse to keep Malhun in captivity. Nikola also kills Zülfikar Derviş, Osman's spy in İnegöl. Nikol…

After Togay leaves for Konya, his fellow commander Camuha arrives. After Nikola learns Camuha's whereabouts from Dündar, he informs Osman, leading to a successful ambush, although Camuha escapes. Meanwhile, Osman attack…

Dündar flees from Söğüt after being exposed as a traitor, and takes refuge with Nikola in İnegöl. The revelation that Dündar is a traitor infuriates Gündüz and Savcı and saddens Aygül. Meanwhile, Petrus and his right-ha…

Due to the pressure of the Mongols, Tekfur Yason imposes heavy taxes, causing the people of Yarhisar to take shelter with Osman Bey. Nikola also finds out about Simon and Petrus being captured by Osman and kills Simon a…

Osman Bey confronts the Byzantine-Mongol army with the support of Malhun Hatun. In the ensuing battle, Savcı Bey is stabbed by Kalanoz in the back and dies, which prompts Osman Bey to kill Kalanoz in revenge. Nikola, wh…

Osman Bey's expulsion of the ambassador who comes to the tribe to receive the tax causes Togay to break his truce. This causes the Seljuk Sultan, Mesud II, to summon Osman Bey to Konya to punish him in order to protect …

After Sheikh Edebalı intervenes and prevented a possible conflict between Osman Bey and Umur Bey, Umur Bey stands down. Meanwhile, Nikola takes action to destroy the truce between Osman Bey and Togay, with Osman's plan …

Umur Bey and his alps are captured by Togay after ignoring Osman Bey's order not to launch an attack. Meanwhile, Togay's commander Camuha raids the vulnerable Bayındır tribe with his sentries, with Malhun Hatun and a ha…

A wedding ceremony is set up in Kayı Tribe for the marriage of Osman Bey and Malhun Hatun. While the wedding is being held, Bala Hatun grieves despite her consent to this marriage. With the arrival of the winter season,…

After Bamsı Bey's martyrdom, Osman Bey takes an oath to avenge him. Togay, meanwhile, develops an alliance with Nikola and establishes a large army to strike a last blow to the Kayıs. Togay, who enlarges his army with t…

After Osman lures Togay from custody into a trap, he captures and beheads him in Söğüt. The abduction and execution of Togay angers the Governor Yargucu, who subsequently demands Kayı Tribe pay a three-year tax within t…

Osman Bey takes action to prepare for a war he will wage against the Byzantine army led by a commander named Dukas. Osman goes to Konya to meet with the Seljuk sultan, whilst Governor Yargucu, plans a move against Osman…

Before the battle, Osman raids the Byzantines and seizes ammunition, before going to battle with the support of Turkmen and Seljuk forces. During the battle, Dukas and local Tekfurs are killed by Osman's forces, with Ni…