Lee Seol, an ordinary college student, accidentally meets Hae Young during her part-time job. Whereas the Blue House, the head of Korean Government, announces the re-establishment of Korean Imperial Family and the public gets wild.

Hae Young cannot believe that Lee Seol is the woman that his late grandfather was looking for, and decided to check her out. However, Hae Young gets confused when Dong Jae calls Seol as a royal lady.

Lee Seol cannot leave the country due to the departure ban; she comes back to her home. However, after she goes back to her college, the fact that she is a princess of Korea is announced and Seol gets everybody's attention suddenly.

Lee Seol gets into the secret palace life, but she is still not comfortable with the fact that she is a princess. While she is working on to be a princess, Seol gets involved in a car accident when she tries to meet Hae Young.

Hae Young becomes to a senior secretary of Lee Seol princess, in charge of teaching her a palace etiquette and protecting her. However, Seol gets depressed since she notices the fact that she cannot restore her father's dignity.