Queen Insoo (2011)

Both dramas tell the story of a female character that is a queen (here) and an empress (Chun Chu) and Chae Si Ra in the title roles.

Similar storyline and background.

both dramas are telling the story of two great queens since childhood.

King and Queen has the same writer, covers the exact time period with the same historical figures and even some of the exact same scenes, but focuses more on the time period than on any one character. Also Queen Yun is her correct age in this one and not like 9 years older

Same writer with interesting plots. Strong and ambitious female leads. Both female leads are scheming.

Main leads come from rich and powerful families. They become queen or queen mother in the end. While Queen Insoo is the story of Queen Insoo life since she was young until her death, the legend of Dugu is about three women from Dugu families and how they become queens or mothers of the king,

Strong, scheming and ambitious female leads. Both of them have dealt with a lot of political issues. They become King's mothers.

Empress Ki and Queen Insoo are both strong woman who are smart and cunning.