Tell the story of Isabella, the greatest king in Spanish history in the second half of the15th century. There are two seasons. The first season is about the growth history of the Queen, and the second season is about the unification of Spain. Basically in line with historical facts, the shooting is very rigorous. Even the language spoken is not modern Spanish, but closer to the ancient Castilian language at that time, vividly showing the image of the queen and saint.