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.
A who's who of honored guests turns out for Joffrey and Margaery's wedding in King's Landing, but the king's taste in entertainment rubs many of them the wrong way. Meanwhile, Bronn gives a lesson to an unlikely pupil; Bran's vision helps map out his journey; Stannis loses patience with Davos; and Ramsay takes a perverse delight in his new pet.
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 his volunteers. Jaime and Brienne discuss his honor. Daenerys explores the line between justice and mercy. Bran, Jojen, Meera and Hodor seek out somewhere to stay.
Jon starts a new mission. Cersei and Tywin consider the next move for the Crown. Daenerys makes plans for the future after hearing the latest news from King's Landing. Lord Baelish and Sansa reach their destination.
Stannis and Davos have a new strategy when they set off from Dragonstone. Daenerys meets with the supplicants. Tyrion takes on Tywin in the throne room at King's Landing.
Tyrion works alongside an unlikely counterpart. Daario expects that Dany will allow him to carry out his skill set to the best of his experience. Even after warning everyone, Jon's concerns regarding the Wall's vulnerability are ignored. Brienne and Pod follow a new lead whilst on the road.
Unexpected visitors arrive in Mole's Town. Sam questions his decision regarding Gilly. Littlefinger's motives are questioned. Sansa is interrogated by Lord Royce. Arya and The Hound arrive at the Bloody Gate. Ramsay tries to prove himself to his father. Tyrion's fate is decided.
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.