Once upon a time, under the reign of the three kingdoms, there was a woman who tempts a Buddhist priest named Cho. She is a one-thousand-year-old fox who intends to reincarnate as a human being. Not knowing this, Cho lives with the fox. But in the end, they get separated harboring sadness of unfulfilled love in this world.
When King Myeong-jong dies, his son takes the throne and the old king's concubines are expelled. One of the concubines becomes pregnant. Believing that only she knows the true father, she claims the unborn child is the former kings and has a claim to the throne. The enemies of the new king, ignoring facts, decide to support her claim and threaten to start a civil war.
A nobleman sends his daughter to the king as a concubine in order to gain personal power and favors from the monarch. Her lover follows her into the palace disguised as a eunuch. They continue to meet in secret until discovered and sentenced to death.
