Han Ji-Eun (Song Hye Kyo) lives in a house called Full House, built by her father. She is an aspiring novelist. One day, two of her friends, for money reasons, trick her and sell her house - when she returns from a vacation, she discovers it has been sold to Lee Young-Jae (비/Bi (Rain)), an actor who has just shot to stardom. Though they don't get along with each other, as she is messy and he has a bad temper and an affection for cleaning, they agree to live with each other and Ji-Eun works as his maid in order to buy her house back. Out of a misunderstanding and Young-Jae's ill-fated try to make the love of his life, Kang Hye-Won (Han Eun Jung) jealous, Young-Jae marries Ji-Eun. They set up a contract for the marriage to last seven months. During that time, complications ensue and Ji-Eun and Young-Jae become attracted to each other. Also, Ji-Eun starts to hold a strong bond with Young-Jae's family. However, Young-Jae's bad temper along with the romantic attentions of Yoo Min-Hyuk (Kim Sung Soo), Ji-Eun's handsome and friendly publisher, starts to create a rift between the couple. He wasn't the only one who was causing trouble it was also Kang Hye-Won who kept getting jealous everytime Lee Young-Jae & Han Ji-Eun were getting close. Kang Hye-Won wants Young-Jae by her side 24/7 even though she loves Yoo Min-Hyuk. It made Han Ji-Eun feel bad everytime she saw Young-Jae run to Kang Hye-Won. Young-Jae and Ji-Eun get a divorce and he moves away. When he returns, he realizes that Ji-Eun hasn't married yet and knows that he has fallen in love with her - and she with him. He proposes to her, this time for the right reasons, and finally, they get married the second time and live happily ever after. Rumors claim that there might be a possible continuation of the series.