A dragon flying over a castle.

The ad opens with a dragon flying over a castle and a body of water. A rider is visible on the dragon's back. The scene transitions to a close-up of a man with long blonde hair and dirt on his face, speaking directly to the camera. In the background, another dragon is visible. The next shot shows a woman with blonde hair, looking down as she handles something. The final scenes show the title card for 'House of the Dragon' with fiery effects and smoke, followed by the HBO Max logo and subscription information.