King Ghazy entrusts his nephew Suleiman that his children rule Aleppo after him, but Suleiman takes advantage of the matter and seizes power, throws his cousins into prison, and forces Farah to marry him. Baldwin II and his soldiers prepare to attack Aleppo, while Jaskar tells Suleiman about it.
Usama ibn Munqidh, the prince of Shizar, meets Farah Khatun. Suleiman asks him to cooperate with him against the Franks and King Baldwin. Husam Al Din tells Usama that Iraq's ruler, Zengī, is helping them; the latter agrees with Zain Al Din to meet the Franks in Rahl. Usama helps Husam and Shams jailbreak.
The Franks attack the castle in Aleppo. Usama asks Abu Jaafar to lead the women’s caravan to Shizar, and asks Farah to leave with them. Baldwin's soldiers succeed in trapping the supplies that Sultan sent to Aleppo. Usama resents Suleiman's surrender decision and cooperates with the Franks.
As Usama returns to Shizar after Suleiman handed over the castle of Al Asrab to the Franks, he asks Sultan to return Khatun to Aleppo, but he asks her to marry him. The Frankish soldiers arrive at the castle of Shizar and Usama confronts them. Zengī prepares in Mosul to confront the Franks.
Sultan's wife asks Farah Khatun to go out to Aleppo before her marriage to Sultan. After Baldwin sentences Jaskar to death for treason, he decides to prepare to attack Aleppo again. Jocelyn thinks of getting rid of Baldwin, and agrees with Rubil to overthrow him.
Zengī devises a plan to unite the small Islamic Mamluks to stand in front of Baldwin. Jocelyn and Rubil plot to poison Baldwin, but Suzy eats it. Husam Al Din revolts to Usama and demands that he be killed after he fails to return Khatun from Shizar.
As Sultan insists on sending Khatun to Suleiman in Aleppo, Usama tries to persuade him to return her to her brother Husam Al Din. Usama agrees with his assistant to deliver her to her brother behind Sultan's back, but Rubil captures her and tells Baldwin about Jocelyn's plot. Zengī heads to Erbil.
Rubil tells Baldwin that he has captured Khatun. The Franks capture Prince Suleiman during his return to Aleppo. Baldwin issues a decision to free Prince Jocelyn from his captivity. Husam Al Din succeeds in taking over Aleppo.
Jaskar escapes prison. As Sultan finds that Abu Jaafar was carrying out Usama's orders when Khatun was captured, he discovers Zengī's success in taking over Erbil after Husam Al Din took over Aleppo, expelling Usama from Shizar. Claud tells Jaskar how he escaped and poisoned Baldwin at Jocelyn's behest.
Rubil sends Jaskar to Prince Bahran to agree with him on killing the king so that he can take over Jerusalem. Usama disguises himself as Princess Khatun's uncle to break her captivity, asks for a ransom, and tells Husam about Rubil's request for blood money. Bahran captures Baldwin.
Jaskar asks for Suzy’s hand after he converted to Islam and helped Prince Bahran to capture Baldwin. Zengī tries to join forces with Bahran against the Franks. Khatun is set free. Suleiman dies after entrusting Usama with the state’s affairs.
Zengī asks Bahran to take over the city of Nisabin instead of Husam Al Din. Usama bin Munqidh captures Rubil. Bahran deceives Husam Al Din by helping him take over Nisabin, but he intends to take Aleppo.
Bahran blackmails Baldwin by returning all the castles he seized in order to free him. Khatun is sold in the slave market as Rubil ordered. Jaskar helps Usama escape from his captivity. Bahran succeeds in taking over Aleppo. Zengī meets Usama and they agree to join forces.
Usama instructs Jaskar to release Khatun and buy her from the slave market. Usama suggests on Sultan that he cooperate with Prince Zengī, but he refuses and decides to square up to him. Bahran is killed during his siege of Antioch.
Baldwin decides to cooperate with Sultan and refuses to cooperate with Husam Al Din. Usama is shocked at his captivity and torture at the hands of Husam Al Din, after he thought he was cooperating with him. Zengī decides to head his army to Aleppo. Jocelyn, led by Rubil, decides to seize Shizar.
Zengī manages to save Usama and Abu Jaafar before Husam Al Din executes him. Jocelyn heads his army towards Shizar to take over it. As Sultan threatens to kill Baldwin, Jocelyn doesn't object and threatens to kill whoever he finds in Shizar, even Sultan.
Zengī arrives at Shizar and fights with Sultan against Jocelyn, and succeeds in defeating him. Khatun returns to Shizar. Jocelyn captures Rubil and puts him in prison. After Jocelyn and Baldwin lose, Zengī is able to unify Islam.