During the Joseon period, the long-awaited son of King Yi Yoon is born, but in exchange for his life, the king will hand over the power of the Bureau of Water Supply to the secret society "Pyunsoo Group" that controls the government. The king covers the Crown Prince's face with a mask and raises him secretly in order to protect him from the Pyunsoo Group. Sixteen years later, Crown Prince Yi Sun, who grew up as a respectable young man, removes his mask and left the palace secretly to go to the town to find out why he has been masked since he was born. The purpose is to meet scholar Master Woo Bo who is the only person who knows why. Crown Prince Yi Sun then meets high-ranking official's daughter Lady Han Ga-eun and a young man who has the same name as himself, Yi Sun, and deepens friendship with them. After some time, the secret society Pyunsoo Group assassinates King Yi Yoon but Crown Prince Yi Sun escaped. The Pyunsoo Group put a fake king on the throne and controls this king and the whole Imperial Court by using a suspicious drug with poisonous properties. Having witnessed the people's suffering, the Crown Prince decides to devote himself to fight the Pyunsoo Group and reclaim his throne.
Also Known As:
Ruler - Master of the Mask
Directors:
Noh Do-chul, Park Won-gook
Country of Origin:
South Korea
