One is the future heir to the king who is deeply favored by his father and the current crown prince; the other is the daughter of the Tangmen Escort Bureau, the largest bodyguard agency in the country, and the current prince's fiancée. But on the day of their wedding, they both ran away from marriage, and with the help of a wealthy young owner of a large business company, the three of them were entangled together. What kind of sadistic love will happen, what kind of warmth and sweetness will there be, and what wonderful adventures will there be? There is also the deep emotional bond between their parents, and how will the decades of love and hatred be interpreted?