Even from their very ancient ancestors. Two clans. Two Park clans that's supposed to be one, lived until today's days seeing each other as potential enemies. It all started as a plain fight between siblings on whose the one that really deserves the crown. But with the saying that goes, blood is thicker than water. Resulted into an unimaginable fued causing flood of blood. Endless clashing of swords and countless number of sacrficed lives. Isn't it unreasonable to just stop right now? So, it continues. Giving two innocent hearts the hardest decision to be made.