Lee Gyu Won (Park Shin Hye) is a  princess from the past . On her wedding day , she dissapears . Gyu Won happened to go to the future , and met Lee Shin (Jung Yong Hwa) . Because she was from the past , she was shock to see moving cars , gadgets and so on. She beg Lee Shin to help her to get use with the new modern life and try to find out how to get back to the past. Will Gyu Won able to get back to the past ? How will Lee Shin help her to get use with the modern life?