Park Chorong - a colledge student who works her best to help her family. Chorong's great-grandfather and his friend had promise each other that if their family ever meet again, they will have their two childrens which have to be a girl and a boy to marry each other. Too bad the two old men is from two different place, one is from China and one is from Korean. 

After her family found out that the other family is the most richest family in Asian, the youngest daughter was mention to marry the son of that family. 

In order to help her family and keep the pride of a good children for her parent, Chorong have to marry a guy that name Lu Han - the youngest son of his family and was the only heirs of the Lu family. Lu Han was popular and he can have all the woman in this whole world by just a snap of hand. 

They both have to live with each other as husband and wife but that does not meant their hearts have to belong to each other. Before their wedding day, Luhan give Chorong a Disvorcement paper and request for a deal. The deal was about they only live with each other for 99 days, which mean after they disvorce Chorong will get the moneys from the Disvorcement paper and Luhan can go back to his life like before.