While reading old records at the Citadel, Gilly discovers that High Septon Maynard issued an annulment for Prince Rhaegar and remarried him in a secret ceremony in Dorne . This implies Jon is the legitimate heir to the Iron Throne.
Following the "Loot Train Attack," Daenerys offers the surviving Lannister and Tarly soldiers a choice: bend the knee or die. Randyll and Dickon Tarly refuse to submit and are executed by dragonfire, a move that deeply troubles Tyrion and Varys.
Jaime informs Cersei of the meeting and Olenna Tyrell's confession regarding Joffrey's death. Cersei reveals she is pregnant and intends to publicly claim Jaime as the father. Major Revelations
The episode concludes at the Wall, where an unlikely group forms to head north: Joe Dempsie
In Winterfell, Arya spies on Littlefinger and finds a letter Sansa wrote under duress in Season 1, pleading for fealty to Joffrey. Littlefinger intended for Arya to find it to sow discord between the sisters. The "A-Team" at Eastwatch
After receiving a message from Bran about the White Walkers approaching Eastwatch, Jon decides he must return north. To convince Cersei of the threat, Tyrion proposes a mission to capture a "wight" and bring it to King's Landing.
Upon returning to Dragonstone, Drogon approaches Jon Snow. In a shocking moment for Daenerys, the dragon allows Jon to touch him, subtly hinting at Jon's Targaryen heritage .