Ned looks for clues to the death of his predecessor, and uncovers one of King Robert’s bastards. Robert and his guests witness a tournament honoring Ned. Jon takes measures to protect Sam from further abuse at Castle Black; a frustrated Viserys clashes with Daenerys in Vaes Dothrak; Sansa imagines her future as a queen, while Arya envisions a far different future. Catelyn rallies her husband’s allies to make a point, while Tyrion finds himself caught in the wrong place at the wrong time.

Explaining that the future of the Lannisters is at stake, Tywin presses Jaime to “be the man you were meant to be” as they prepare for battle. Ned confronts Cersei about the secrets that killed Jon Arryn. With the fate of the missing Benjen very much on his mind, Jon takes his Night’s Watch vows, though not with the assignment he coveted. After Ser Jorah saves Daenerys from treachery, an enraged Drogo vows to lead the Dothraki where they’ve never gone before. An injured Robert takes pains to ensure an orderly transition at King’s Landing.

In the aftermath of Ned's capture, Syrio and Arya face off against Lannister guards, while Cersei manipulates Sansa to her own ends. Robb rallies his father's northern allies against Tywin Lannister and heads south to war. Tyrion forms an uneasy alliance with the hill tribes and reunites with his father. Jon lashes out at Ser Alliser Thorne and battles a mysterious attacker from beyond the Wall. Dany is forced to reconcile her desire to conquer Westeros with Drogo's savagery after the Dothraki raid a peaceful village.

With Sansa's life in danger, Ned makes a fateful decision. Catelyn brokers an unsavory deal with the slippery Walder Frey. Tyrion acquires a mistress and is forced by his father to fight on the front lines. Robb wins his first major victory and captures a prized prisoner. Jon is rewarded for his valor and discovers a dark secret about Maester Aemon. As Drogo's wound festers, Dany defies her bloodrider Qotho and puts her trust in the enslaved witch Mirri Maz Duur.

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.

Tyrion welcomes a surprise guest to King’s Landing for the royal wedding, but fears he’s come to the Red Keep for something else. Meanwhile, Jon warns his skeptical Night’s Watch superiors about an impending attack. Jaime struggles to regain his status at home. Arya encounters a face from her past, and Daario Naharis discusses strategy with Daenerys on the journey to the slave city Meereen.

In the frenzied aftermath of the royal wedding, Tyrion gets a visit from a loyal subject, but wonders if anyone in his family will help him out of his current predicament. Meanwhile, Tywin offers to work for the common good with a presumed enemy. Sam takes stock of the personnel at Castle Black. The Hound gives another life lesson to Arya, and Daenerys makes a decision outside the walls of Meereen.

Jon welcomes volunteers. Bran, Jojen, Meera and Hodor seek shelter. Jaime and Brienne discuss his honor. Daenerys balances justice and mercy.

Tyrion gains an unlikely ally. Daario asks Daenerys to allow him to do what he does best. Jon's warnings about the vulnerability of the Wall are ignored. Brienne follows a new lead. Arya and The Hound come across Rorge. Sansa discovers Littlefinger's true intentions for The Eyrie.

The Night's Watch attempts to defend Castle Black against Mance Rayder's massive wildling army, who plan to siege the fortress from the north, while a secret garrison of wildlings, including Ygritte, are poised to launch a surprise attack from the south.

Circumstances change after an unexpected arrival from north of the Wall. Daenerys must face harsh realities. Bran learns more about his destiny. Tyrion sees the truth about his situation.

Cersei and Jaime adjust to a world without Tywin; Varys reveals a conspiracy to Tyrion; Daenerys faces a new threat to her rule; Jon is caught between two kings.

Arya arrives in Braavos; Podrick and Brienne run into trouble on the road; Cersei fears for her daughter's safety in Dorne as Ellaria Sand seeks revenge for Oberyn's death. Stannis tempts Jon; an adviser tempts Daenerys.

In Braavos, Arya sees the Many-Faced God; In King's Landing, Queen Margaery enjoys her new husband; Tyrion and Varys walk the Long Bridge of Volantis.