This episode is titled "Blackwater" after the battle that takes place. In the episode a massive battle rages for control of King's Landing and the Iron Throne. Tyrion Lanniste leads the defense against Stannis Baratheons army in the battle of "blackwater". Tyrion spends his night before the battle with Shae and offers her escape before it starts. Sansa is offered to be taken to winterfell by the Hound. In the end a night dressed in armor of Renly Baratheon joins the battle.