Set in present day South Korea, but under the premise that the country is governed by a constitutional monarchy. Oh Ssu-Ni is a musical actress with a bright personality. Suddenly, she marries Emperor Lee Hyuk. There, Oh Ssu-Ni goes up against absolute power of the palace and fights against the power. Meanwhile, she falls in love with Na Wang-Sik who is a bodyguard of the imperial family. Na Wang-Sik came to the palace to take revenge on the person responsible for his mother’s death. Due to death of Emperor Lee Hyuk’s grandmother, Oh Ssu-Ni breaks down the royal family with the help of Na Wang-Sik and finds true love.