Kyunglim and Yujin are strikingly different in terms of looks, personality and other attributes despite being the same age of 27. This is a story of these two women, their unbelievable relationships and endless contradictions. Kyunglim is a curator of a large museum and moves busily as she arranges a large exhibition. Meanwhile, Yujin works as a ticket lady at a park and is bored to death. When the exhibit opens, many rich and famous guests begin to enter but soon the museum is overwhelmed with people as the security staff is unable to stop people from coming in. In a moment the place becomes a crowded mess. Moreover, Kyunglim makes things worse when she mispronounces a foreign guest’s name and becomes the laughing stock of the event…

Celebrity guests are split into two teams to compete in various contests. One guest, known only to himself, is designated the "X-Man", and does his best to cause his team to lose the contests. At the end, all guests try to determine the X-Man's identity.

As more and more people are getting used to eating dinner alone, Kang Ho-dong and Lee Kyung-kyu visit ordinary Korean families at dinner time and share their lives as they eat dinner together.