'A Knight of the Seven Kingdoms' is a prequel to 'Game of Thrones.' Here's where the story fits in on a timeline.

Rhaenyra Targaryen, Dunk, and Jon Snow.

Helen Sloan/Steffan Hill/Ollie Upton/HBO

• HBO's "A Knight of the Seven Kingdoms" is a prequel show in the "Game of Thrones" universe.
• The story is set about 100 years before the main series and 70 years after "House of the Dragon."
• At this point in the timeline, the Targaryen family is still in power, and the realm is at peace.

"A Knight of the Seven Kingdoms" is HBO's latest spinoff series that fleshes out the sprawling fantasy world created by George R.