In where Yang Jungwon escapes the palace gates from time to time after finding a villager who looks exactly like him and they made a trade in which Daniel gets to live the royalty's life for a few times as the exchange and Jungwon gets to live a commoner's life..... In the process he falls in love with Daniel's childhood friend and crush.... what will happen when Ni-ki finds out that Jungwon and Daniel tricked him and didn't dare to let him in their secret? Will they still be friends or will the long friendship of Daniel and Ni-ki be broken?