Na Hyun, a woman who is smart enough that no one can guess her age , San Ma Roo, who is joined after his girlfriend has dumped him, Jung Yeon Sung joined the tour with a partner but no one know the kind of their relationship, Han So Ran, a web designer who is suffering from being single, all these people gathered into a package tour in which Yoen So So is their travel guide. Those people begin their travel as strange travelers with different stories which no one know, but by the end of the tour, they become closed friends.