After his girlfriend Na-ri suddenly disappeared in a cafe, Yoo-suk goes crazy. While searching for her, he constantly bumps into a mysterious girl, Ae-yeon, but they can't remember exactly how many times they've met before. Na-ri left for a new love but it was too late after she realized she was seeing a gangster. Confused about real love, Na-ri blackmails him and hides the money at Yoo-suk's flat until suddenly it disappears.
