Eunhyuk was disappear from Super Junior and his boyfriend Donghae without any notied or sign. Donghae like as crazy person always find where his lover disappear. After 5 years, Donghae deside to go for travel at Ulleundo island which is Eunhyuk dream island before Super Junior will be dissolved and he will goes to Paris and stay there. In Ulleundo Island, he meet 5 years old kid name same with him, Lee Donghae. Who is that kid? Will Donghae meet Eunhyuk again before he go to Paris?