Rhaenara Storm, the bastard daughter of Robert Baratheon, is thrust into leadership as the Lord of Storm's End, wielding her unparalleled blacksmithing skills and the ancient Valyrian sword Stormbringer. Meanwhile, Ryon Sand, the secret son of Oberyn Martell, navigates the deadly politics of King's Landing under the guise of a sellsword. As old alliances crumble and new threats arise, these two bastards must carve their own paths in a realm teetering on the edge of chaos.