Cho Kyuhyun is a handsome, rich 23 old guy who is going on a trip around the world with four of his best friends ; SungMin, Siwon, Donghae and Ryeowook. They can't decide where they would go first and argued about it at the Seoul airport. Kyuhyun wen't to get himself a drink  'cause he got irritated from the "fighting", suddenly he bump's in to someone, which convinced him to where they are going to travel .....