In an age where districts are ruled by a monarchy, comes 3 young kings. Their kingdoms are all enemies in the eyes of the public but behind closed doors, the 3 kings were lovers. They've spent many nights together away from the stress of royal duties, just spending their free time in each other's arms. But it might have to end when they find out a rat in one of the castles has been giving hints of the kings nights away to an organization bent on controlling all of Korea and this scandal might help them do it. When no one can be trusted, can the kings find out whose spilling the royal secrets before it's too late?