Ki Sung is a divorcee. His ex-wife Hye Jung is now married to an alumnus. He also has a troublemaker father and a daughter Jin Joo going through puberty. Ki Sung's dream is to remarry Hye Jung and live together as a family in a big apartment. One day, Ki Sung meets Il Young. She works at a bank and she tells him that he is cute. (Source: AsianWiki)