It shows the story of a young married couple having conflict due to their different backgrounds and values.
Sena grown up in a wealthy family and met Seung-woo, a diplomat who was born in an ordinary family on a blind date and falls in love with him. Seung-woo have a female friend named Yoon-soo, a florist and a fiancé of Jin-hee. Just finished her florist course in Japan, Yoon-soo is now happy to go back to Korea and get married to Jin-hee.
Although Jin-hee, also a diplomatist and somewhat cold-headed, is a player, the one he really loves is Yoon-soo. Jin-hee and Sena also have a relation in the past.