Contains spoilers for this episode and earlier episodes.
Sansa confronts Littlefinger over giving her to Ramsay and rejects his excuses. He tells her that the Blackfish has recovered Riverrun, information she uses to send Brienne toward the Tullys. At the kingsmoot, Theon supports Yara, but Euron wins the crown after announcing his plan to ally with Daenerys. Yara and Theon escape with the best ships before he can kill them. Daenerys learns that Jorah has greyscale and orders him to find a cure and return. Tyrion meets Kinvara, who promises religious support for Daenerys. In Braavos, Arya receives an assignment to kill Lady Crane and watches the actress perform a distorted account of her family's history.
Bran learns in a vision that the Children of the Forest created the White Walkers. During another visit to the dead army, the Night King touches him, exposing the cave's refuge. The wights attack while Bran remains inside a vision of young Wylis at Winterfell. Summer and the Children fight to buy time, but Summer is killed and the Night King kills the Three-Eyed Raven. Bran takes control of Hodor so that Meera can get him out. Hodor holds the exit shut against the wights while she drags Bran away. Her repeated command to hold the door reaches Wylis through Bran's connection, causing him to convulse and repeat the words until they contract into Hodor. Hodor dies holding the door while Meera escapes with Bran.