This Cinderella story begins when Chae Kyeong’s grandfather and Lee Shin's grandfather's (the late the King before Lee Shin's father) made an agreement, they promised each other to match their grandchildren. Both grandfathers promised to wed their grandchildren that are Lee Shin and Chae Kyeong when they has grown up.
Lee Shin actually already has a girlfriend Min Hyo-Rin. She is also studies at the same school with him and Chae kyeong. They have been dating for a long time but when Lee Shin ask Hyo Rin to get married, she refused. And Lee Shin's proposal which is rejected by accident heard also by Chae kyeong.
Lee Shin has a cousin who is also handsome and clever, he is Lee Yul. Later, Lee Yul will be a rival of Lee Shin since he is falling in love with Chae kyeong. So the story is just like a rectangular love.
Chae Kyeong and Lee Shin eventually get married even though without having love feeling. And as the wife of crown prince, chae kyeong required to live in the palace and learn everything about royal etiquette. But gradually Chae Kyeong falls in love with Lee Shin and Lee Shin unwittingly also have the same feelings.
There will an interesting storyline between Lee Shin and Chae Kyeong. You can find comedy, sad and romantic scene which may make you laugh, cry and flutter your heart. How hard Lee Shin express his feelings to Chae Kyeong and how Chae kyeong fights to get Lee Shin heart and to be recognized as a princess.
The story is very interesting which packaged in 24 episodes. I am sure you will not be bored. I recommend this Kdrama because ultimately Lee Shin and Chae kyeong live happily together and Happy Ending. As I said before, I like the happy ending story.