House of the Dragon is set hundreds of years before Game of Thrones, and follows the civl war the dragon-riding Targaryen family destroyed itself and Westeros with. The trailer opens with Princess Rhaenrya Targaryen looking out as Corlys Velaryon, known as “The Sea Snake,” ponders “What is this brief, mortal life?… if not the pursuit of legacy?” Leaders of the Houses Stark, Velaryon, and Baratheon are seen pledging their allegiance to Targaryen King Viserys and his named heir. The only issue is that his heir is Princess Rhaenrya. And put it to torch they shall! The show will air on HBO in all its dragon fire and blonde glory on August 21st. Find more news and stories of interest from the book world in Breaking in Books.