As Robb Stark and his northern army continue the war against the Lannisters, Tyrion arrives in King’s Landing to counsel Joffrey and temper the young king’s excesses. On the island of Dragonstone, Stannis Baratheon plots an invasion to claim his late brother’s throne, allying himself with the fiery Melisandre, a strange priestess of a stranger god. Across the sea, Daenerys, her three young dragons, and the khalasar trek through the Red Waste in search of allies, or water. In the North, Bran presides over a threadbare Winterfell, while beyond the Wall, Jon Snow and the Night’s Watch must shelter with a devious wildling.

In the wake of a bloody purge in the capital, Tyrion chastens Cersei for alienating the king’s subjects. On the road north, Arya shares a secret with Gendry, a Night’s Watch recruit. With supplies dwindling, one of Dany’s scouts returns with news of their position. After nine years as a Stark ward, Theon Greyjoy reunites with his father Balon, who wants to restore the ancient Kingdom of the Iron Islands. Davos enlists Salladhor Saan, a pirate, to join forces with Stannis and Melisandre for a naval invasion of King’s Landing.

At the Red Keep, Tyrion plots three alliances through the promise of marriage. Catelyn arrives in the Stormlands to forge an alliance of her own, but King Renly, his new wife Margaery, and her brother Loras Tyrell have other plans. At Winterfell, Luwin tries to decipher Bran’s dreams.

Joffrey punishes Sansa for Robb’s victories, and Tyrion scrambles to temper the king’s cruelty. Catelyn entreats Stannis and Renly to unite against the Lannisters. Dany and her khalasar arrive at the prosperous city of Qarth. Tyrion coerces a relative into being his eyes and ears. Arya and Gendry are taken to Harrenhal, where their lives are in the hands of Ser Gregor Clegane. Stannis orders Davos to smuggle Melisandre into a secret cove.

The Baratheon rivalry ends, driving Catelyn to flee and Littlefinger to act. At King’s Landing, Tyrion’s source alerts him to Joffrey’s defense plan - and a mysterious secret weapon. Theon sails to the Stony Shore to prove he’s worthy to be called Ironborn. At Harrenhal, Arya receives a promise from Jaqen H’ghar, one of the prisoners she saved from the Gold Cloaks. The Night’s Watch arrive at the Fist of the First Men, an ancient ringfort where they hope to stem the wildings' advance.

Theon seizes control of Winterfell. Jon captures a wildling, named Ygritte and is given a chance to prove himself. At King's Landing, after the Lannisters send Myrcella off to be married, the people begin to turn against King Joffrey. Arya comes face to face with a surprise visitor. Daenerys looks to buy ships to sail for the Seven Kingdoms.

Jamie meets a distant relative. Daenerys receives an invitation to the House of the Undying. Theon leads a search party. Jon loses his way in the wilderness. Cersei counsels Sansa.

Betrayal befalls Robb. Jon and Qhorin are taken prisoner by the wildlings. Theon receives a visitor at Winterfell and must make an important decision. Meanwhile, Stannis is just days away from reaching King's Landing and Tyrion prepares for his arrival. At Harrenhal, Arya, Gendry and Hot Pie plan their escape.

Tyrion and the Lannisters fight for their lives as Stannis’ fleet assaults King’s Landing.

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 silences Jaime. Arya receives a gift from Jaqen. Dany goes to a strange place. Jon proves himself to Qhorin.

Jon meets the King-Beyond-the-Wall while his Night Watch Brothers flee south. In King's Landing, Tyrion wants a reward, Margaery shows her charitable nature, Cersei arranges a dinner party, and Littlefinger offers to help Sansa. Across the Narrow Sea, Daenerys starts her journey west.

Sansa says too much. Shae asks Tyrion for a favor. Jaime finds a way to pass the time, while Arya encounters the Brotherhood Without Banners.

Tyrion shoulders new responsibilities. Jon is taken to the Fist of the First Men. Daenerys meets with the slavers. Jaime strikes a deal with his captors.

Trouble brews among the Night's Watch at Craster's. Margaery takes Joffrey out of his comfort zone. Arya meets the leader of the Brotherhood. Varys plots revenge on an old foe. Theon mournfully recalls his missteps. Daenerys deftly orchestrates her exit from Astapor.

The Hound is judged by the gods. Jaime is judged by men. Jon proves himself. Robb is betrayed. Tyrion learns the cost of weddings.

Tywin plans strategic unions for the Lannisters. Melisandre pays a visit to the Riverlands. Robb weighs a compromise to repair his alliance with House Frey. Roose Bolton decides what to do with Jaime Lannister. Jon, Ygritte, and the Wildlings face a daunting climb.

Daenerys exchanges gifts with a slave lord outside of Yunkai. As Sansa frets about her prospects, Shae chafes at Tyrion’s new situation. Tywin counsels the king, and Melisandre reveals a secret to Gendry. Brienne faces a formidable foe in Harrenhal.

King’s Landing hosts a wedding, and Tyrion and Sansa spend the night together. Daenerys tries to persuade the Second Sons to join her against Yunkai. Stannis releases Davos from the dungeons. Sam and Gilly meet an older gentleman.

Robb presents himself to Walder Frey, and Edmure meets his bride. Jon faces his harshest test yet. Bran discovers a new gift. Daario and Jorah debate how to take Yunkai. House Frey joins with House Tully.

Bran and company travel beyond the Wall. Sam returns to Castle Black. Jon says goodbye to Ygritte. Jaime returns to King's Landing. The Night's Watch asks for help from Stannis. Daenerys waits to see if she is a conqueror or a liberator.