Prince Seonghwa and Prince Hongjoong along with 6 other princes, have been close since birth, creating a special bond within the 8 princes. Until one night on a sleepover at the Kim Kingdom, 3 intruders were tasked to kidnap the princes. Luckily they were stopped but got away, ever since the incident the parents of the princes started questiong the safety of their children. Forbidding them to see each other again. Taking a toll on young Hongjoong's heart as he started to take quite a liking to Seonghwa. Years passed, Princes' Hongjoong, Yunho,Yeosang, and Wooyoung were able to see each other because of their parents making agreements for their kingdoms,that goes the same for Princes' Seonghwa, San, Mingi, and Jongho. What Happens when all Kingdoms become 1 again? Will love find its way to the princes hearts? or will another tragedy happen?