Yoona and Seohyun are sister who came from Busan to Seoul to find themselves a job to pay off their parent debt. They both got a job in a club and one night they got scold for not doing their job correctly and they got fire. They got kick out from the club and bump into Kris and Kai. Kris and Kai both need someone to pretend to be their wife so when they met Seohyun and Yoona they thought the girl have a good figure and beautiful suit to be their pretend wife. They both offer Seohyun and Yoon

Kris's girlfriend Yuri left him to america and he heartbroken and always sad until a girl name Seohyun came to work with him and she notice how he always look sad so she decide to cheer him up, make him happy, laugh, and have the mood to work and do everything.  And many month pass and they became closer and Kris also became happier. But what will happen when his girlfriend came back?

Kris is a playboy who play with girl, mean, cold, rich, and smart in his own way. Seohyun is a quiet girl who people hate her but she doesn't care about it and she ignore all thing people say about her and she doesn't like to have problem with other people, but she a very kind and very smart person and she not rich nor poor, have a younger brother Sehun and a bestfriend Hyohyeon. Her parent pass away when she still a freshman so they both let Tiffany their aunt live with them. What will hap