Hee-ran is the owner of a karaoke place, when he first met with Se-min through a wedding consulting firm, he suggested to her marriage contract. He will pay each month to be a wife and mother of Se-gyu. Hee-ran thought that it was a good opportunity, but not like he was thinking, marriage is boring. Se-min just need him at night while Se-gyu fancied to Hee-ran he considered like a brother, but he hides his feelings to be evil. One day, Hee-ran to meet with friends Se-min called Tae-yeong and she fell in love with him. Eventually, the Hee-ran and Se-min break.