When Jaime was arranging the army for the Northern Expedition, Cersei stopped Jaime and explained that it was impossible for her to send an army to repel Daenerys, who was competing for the throne with her, to repel the powerful enemy, and all she promised was toIt was a lie she told to ensure the safety of King's Landing, because she knew how terrifying the army of the dead was and how powerful Daenerys's dragons were. What she said was just a stopgap measure to protect herself.

James wants to persuade Cersei to fight against the Army of the Dead together, believing that the strength of the Army of the Dead will endanger them sooner or later, but Cersei doesn't care about this. She is waiting for the Army of the Dead to destroy Daenerys and the others so that she can unify the north and the south., making her children rulers.Jaime couldn't persuade Cersei, so he could only express his attitude directly, saying that he would not break his promise and would insist on fighting against the Army of the Dead with Daenerys and the others.

Cersei heard Jaime's statement and immediately convicted Jaime of treason, trying to force Jaime to stay, but Jaime still insisted on going north.

Cersei also refused to change her mind and couldn't bear to kill Jaime, so she had no choice but to let Jaime leave.Because Samwell knew that Jon was going to fight against the Army of the Dead, he rushed to the North to help Jon. As soon as he arrived at Winterfell, he met Bran. Bran told Sam that Jon was rushing back to the North.Will.Bran explains that Jon is not Ned's illegitimate son, but the illegitimate son of Rhaegar Targaryen and their aunt Lyanna.

Sam immediately corrected him after hearing this. Jon was not an illegitimate son, but the legitimate heir of Rhaegar and Lyanna.After hearing this, Bran immediately used the power of the Three-Eyed Raven to see Rhaegar and Lyanna's wedding, and said that Jon is the first legal heir to the Iron Throne, and they must tell Jon the truth.

And inJon and Daenerys fell in love on the way back to the North, and Tyrion watched them together silently.In Eastwatch, in the silent snow of the north, thousands of legions of the dead suddenly appeared. When the people on the inspection tower were sounding the alarm, the Night King came riding the ice dragon Viserion, and in an instantDestroy the Great Wall.The army of the dead crossed the Great Wall and approached Winterfell in mighty force.