War grips the continent of Westeros. As Tyrion Lannister tries to take his strong-willed nephew in hand in King's Landing, Stannis Baratheon launches his own campaign to take the Iron Throne with the help of a mysterious priestess. In the east, Daenerys must lead her retinue through a desolate wasteland whilst beyond the Wall the Night's Watch seeks the aid of a wildling.
Stannis uses Ser Davos to seek out new allies for his war with the Lannisters. On the road north, Arya confides in Gendry. Robb Stark sends Theon Greyjoy to win an alliance with his father and the fierce warriors of the Iron Islands. Cersei and Tyrion clash on how to rule in King's Landing.
Catelyn Stark treats with King Renly in the hope of winning an alliance. Tyrion undertakes a complex plan in King's Landing to expose an enemy. At Winterfell, Bran's dreams continue to trouble him.
Tyrion attempts to restrain Joffrey's cruelty. Catelyn attempts to broker a peace between Stannis and Renly. Daenerys and her followers arrive at the great city of Qarth and hope to find refuge there. Arya and Gendry arrive at Harrenhal, a great castle now under Lannister occupation.
Confusion rages in the Stormlands in the wake of a devastating reversal. Catelyn must flee with a new ally, whilst Littlefinger sees an opportunity in the chaos. Theon seeks to prove himself to his father in battle. Arya receives a promise from the enigmatic Jaqen H'ghar. The Night's Watch arrives at the Fist of the First Men. Daenerys Targaryen receives a marriage proposal.
Arya has a surprise visitor; Dany vows to take what is hers; Joffrey meets his subjects; Qhorin gives Jon a chance to prove himself.
Jaime meets a relative; Theon hunts; Dany receives an invitation.
Theon holds the fort; Arya calls in her debt with Jaqen; Robb is betrayed; Stannis and Davos approach their destination.
A massive battle rages for control of King's Landing and the Iron Throne.
Tyrion awakens to a changed situation. King Joffrey doles out rewards to his subjects. As Theon stirs his men to action, Luwin offers some final advice. Brienne silencesJaime; Arya receives a gift from Jaqen; Dany goes to a strange place; Jon proves himself to Qhorin.