Kim Kibum is a nineteen year old prince from the Thilia Kingdom. His parents are going away on a two month long trip to start a trading business with another Kingdom; and they are also traveling with the Areiia King and Queen; having them leave their daughters to stay with Kibum and his younger brother. While their parents are away, the youngest daughter suggests that they host a masquerade ball at the Thilia palace. However, no one thinks of what could happen while the King and Queen

Son Naeun and Park Chorong are enjoying a nice relaxing day at the park But, Chorong mentions something about Kings and Queens that gets them into a rather long conversation on the subject.