《House of the Dragon Season 3》continues to adapt the chapters related to "A Dance with Dragons" in George R.R. Martin's "Blood and Fire". The story takes place in Game of Thrones about two hundred years ago.After the end of the second season, the struggle for the throne within the Targaryen family has shifted from palace games to all-out war. Rhaenyra's side and Aegon's camp have launched a more direct conflict over the Iron Throne, Dragon Knights, vassal covenants and family orthodoxy.

The narrative focus of the third season is expected to be on the political costs and family divisions of the expanded war.Rhaenyla needs to choose between revenge, legitimacy of rule, and trust in allies; characters such as Allison, Aegon, and Aemond will also suffer more complex consequences under the pressure of power.As dragons participate in the war, personal hatreds, royal bloodlines, and the alignment of the Westeros princes are further bound, and the strength of the Targaryen dynasty begins to show irreversible cracks.

According to official information, Ryan Condal will continue to serve as the series creator and runner in the third season, George R. R. Martin will participate in co-creation and executive production, and returning actors include Matt Smith, Emma D'Arcy, Olivia Cooke, Steve Toussaint, Rhys Ifans, Fabien Frankel, Ewan Mitchell, Tom Glynn-Carney, etc.The official press release confirmed that the third season will be 8 episodes and has been put into production in the UK. The specific broadcast date and complete schedule will still be subject to subsequent releases by HBO/Max.