Genghis Khan decides to baptize Kublai Khan and Hulagu, according to the Mongol rituals, and embarks on a new military campaign against his opponents.
As Genghis Khan swears revenge on the Song family after Joshi's murder, he oversees Hulagu's education. Genghis Khan decides to take a break from the naval invasions and appoint his trusted men in his place.
Genghis Khan decides to gather all his men after Tolay's wedding, and re-divides his land and powers between his children and grandchildren. The betrayal of Genghis Khan's brother is revealed, and Hulagu avenges him.
A solemn funeral is held for Genghis Khan, and the official ceremonies are held to choose his successor. Hulagu becomes the commander of the armies, and chooses for himself a wife before he goes on his conquest.
Hulagu tries to win Qutui's heart after killing her husband. Dobus cooperates with the Church and seeks to win Hulagu's loyalty in exchange for persuading him not to invade her hometown.
Hulagu intends to conquer one of the fortified fortresses that previously eluded Genghis Khan in the Arab land ruled by the Abbasids.
Hulagu goes on a mission to China, and learns about a prophecy from a blind man that will determine his next military steps, after he knows the secret of making gunpowder.
As the Caliph is trying to repel the expected attack of the Mongols, his men save him from an assassination attempt. Hulagu prepares to move with his army to Baghdad.
Hulagu thwarts an attempt to assassinate him, and the man who tried to assassinate him is condemned to a duel that will determine his fate.
Hulagu kills his sister upon discovering that she plotted to kill him. However, he enters into a state of delusions and imagines seeing her out of guilt.
As Hulagu heads with his huge army to Baghdad, he arrives at a fortified fortress whose commander contemplates surrendering.
Hulagu decides to respond to Al-Musta'sim's message by killing the messenger, and he challenges Al-Musta'sim with a counter message.
Sensing the castle governor's procrastination and refusal to fulfill his terms, Hulagu decides to respond to him with a threatening message.
Al-Musta'sim tries to train the soldiers to meet the Mongols, while the Mongol forces prepare to march to Baghdad.
Hayim the Jew decides to ally with Hulagu after the men of the Caliph Al-Musta'sim failed him and did not fulfill his wishes. He tells them about the trap that the Caliph's army is setting up for him.
The daughters of the Caliph are captured by the army of Hulagu, who decides to use them as a bargaining chip.
Caliph Al-Musta'sim decides to send a delegation to negotiate. Hulagu begins doing a plan to advance on Baghdad.
Hulagu's son falls ill, and Hulagu discovers that his son has been poisoned. When Hulagu's son wakes up, he confesses to the priest that he took poison to end his life.
Ibn al-Jawzi and a crowd of people who came from Baghdad try to dissuade Hulagu from his intention to conquer Baghdad. Hulagu directs his troupes towards various sides of Baghdad.
The Mongol attack begins and meets with the Arab army. The Mongol's army advances to the Tigris River.
Caliph Al-Musta'sim decides to flee with his two sons to Basra. As Hulagu falls ill suddenly, doctors try to treat him.
Caliph Al-Musta'sim retreats and decides to make a new agreement with Hulagu, who asks him to accept his offer unconditionally in exchange for safety.
As Hulagu breaks his promise to the Caliph Al-Musta'sim not to touch Baghdad, the Mongol forces roam Baghdad and destroy everything in it. Al-Musta'sim and his family are killed.
Hulagu decides to go on a military campaign to the Levant. Some of the rulers try to ally with him in order not to be harmed.
Sultan Qutuz sends his forces to the Levant to help them confront the Mongols. Hulagu moves his forces towards Aleppo to invade it.
Dobus asks Hulagu to separate from him after his crimes in his conquests. The castle guards in the Levant prepare for the arrival of Hulagu's army.
After his son Sentai dies, Hulagu vows to avenge him, and decides to remove Abaka from his position in the army because of what happened.
Qutui decides to abort her fetus from Hulagu. Hulagu's son decides to leave his father and live with the common people. The Mamluks ally with the Ayyubids in the face of the Tatars.
Abaka, the son of Hulagu, is taken to prison, and from prison to his father, whom he tells that Sentai committed suicide and that he was not killed, and that his wife had an abortion.
Hulagu confronts his wife with the fact that she miscarried her pregnancy, and decides to torture her to death as punishment for what she did.