A seemingly harmless reality game show competition turns dangerous as the participants get killed off one by one. The Contestants: Krystal (Jung Soojung) Age: 17 Suzy (Bae Sooji) Age: 17 Kai (Kim Jongin) Age: 18 L.Joe (Lee Byunghyun) Age: 18 IU (Lee Jieun) Age: 19 HyunA (Kim Hyunah) Age: 2

It has been every girl's dream, at least one time, to wake up as an important princess. She would find herself in a large luxurious bed in a magnificent bedroom, which is one of the many, many rooms in the castle. Surrounded by stone walls and iron gates, it's located on the enormous estate, which overlooks the beautiful sea.