Arya escapes the Red Keep after her sword master Syrio Forel fights guards sent to arrest her, while Sansa is captured. Robb receives news of his father's arrest and mobilizes the Northern armies, leaving Bran to rule Winterfell. Lysa Arryn refuses to join the fight against the Lannisters, so Catelyn leaves to join Robb's war camp. Tyrion and Bronn are captured by mountain tribesmen, whom Tyrion convinces to escort him to his father Tywin Lannister's camp. Tywin recruits the tribesmen to fight the Starks in exchange for greater payment. At the Wall, Jon and Sam encounter a reanimated corpse that attacks Lord Commander Mormont before Jon destroys it with fire. In Essos, Drogo's khalasar raids settlements to capture slaves for selling, raising money for ships to cross the Narrow Sea. Drogo is wounded in combat. Joffrey names his grandfather Tywin as Hand of the King. Sansa begs Joffrey to spare Ned's life, and he agrees if Ned publicly confesses treason and acknowledges Joffrey's claim.