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  ====Season 4====
  Brienne cannot return Sansa to Catelyn Stark, as Catelyn has been murdered by the Freys, and Jaime argues that Sansa (now married to Tyrion) is safer staying in King's Landing. Brienne speaks with Margaery Tyrell and explains that she did not kill Renly, then attends King Joffrey Baratheon's wedding to Margaery Tyrell. At the wedding, Cersei confronts Brienne and implies that Brienne loves Jaime, and Brienne witnesses Joffrey's death by poisoning. After Tyrion is accused of the murder, his brother Jaime gives Brienne a Valyrian steel sword (which Brienne names "Oathkeeper") and a coat of armor in support of her mission to find Sansa and take her to safety. He also gives her Tyrion's former squire, Podrick Payne, whose life is in danger after he refuses to offer false testimony against Tyrion.
  On their way through the Riverlands, Briene and Podrick meet Arya Stark's former travelling companion Hot Pie; after learning from him that Arya is alive, they decide to travel to the Vale, as they suspect she is being sheltered by her aunt Lysa Arryn. There, Brienne encounters Arya and her escort, Sandor "The Hound" Clegane. When Arya refuses to go with Brienne, Brienne and the Hound fight, culminating in Brienne's forcing him off a cliff and dealing him an apparently deadly wound, although Arya escapes in the confusion.