MOVIEVEL:House of the Dragon" is a prequel to the popular TV series "Game of Thrones," based on George R.R. Martin's book "Fire & Blood." It chronicles the history of House Targaryen, focusing on the Targaryen civil war known as the Dance of the Dragons, which takes place roughly 200 years before the events of "Game of Thrones." The series explores the complex politics, rivalries, and battles within the Targaryen dynasty, providing a deeper understanding of the family's rise and fall. Key characters include King Viserys I Targaryen, his children Rhaenyra and Aegon II, and various members of the court and noble houses involved in the conflict. The show delves into themes of power, betrayal, and ambition, much like its predecessor.